Electronics Modules

Overview1. This is a Raspberry Pi LoRa HAT based on SX1262, covers 868MHz frequency band frequency band. It allows data transmission up to 5km through serial port.2. By utilizing the new generation LoRa spread spectrum modulation technology, the communication distance of the module is as long as 5km, also supports auto repeating to transmit longer. Other features include Wake on Radio, wireless config, carrier sensing, communication key, and so on.3. Comparing with normal LoRa modules, the SX1262 LoRa HAT achieves longer communication distance, higher rate, lower consumption, better safety and anti-interference. It is suitable for various applications such as industrial control, smart home, data collection, etc.Features1.Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards2. Onboard CP2102 USB TO UART converter, for serial debugging3. Bring the UART control interface, for connecting host boards like Arduino/STM324. 4x LED indicators, easy to check the module status5. LoRa spread spectrum modulation technology, up to 81 available signal channel, longer communication distance, more robust to interference6. Auto multi-level repeating, suit for ultra long range communication, allows multi network on the same region7. Low power consumption features like deep sleeping and Wake on Radio, ideal for battery-powered applications8. Customizable communication key which wont be retrieved, greatly improves the security of user data9. Support LBT, monitoring the signal channel noise before transmitting, greatly improves the success ratio under extreme environment10. Support RSSI signal intensity indicating, for evaluating signal quality, tuning the network11. Support wireless parameter configuration, by sending wireless command/data packet, remotely configure or retrieve the module parameter12. Support fixed-point transmission, broadcast, signal channel monitor13. Come with development resources and manual (examples for Raspberry Pi/STM32)What is on Board1. SX1262 LoRa module2. 74HC125V: voltage level translator3. CP2102: USB TO UART converter4. Raspberry Pi GPIO connector: for connecting with Raspberry Pi5. USB TO UART port6. UART header: for connecting host boards like STM32/Arduino7. SMA antenna connector8. IPEX antenna connector9. Indicators:- RXD/TXD: UART RX/TX indicator- AUX: auxiliary indicator- PWR: power indicator10. UART selection jumpers- A: Control the LoRa module through USB TO UART- B: Control the LoRa module through Raspberry Pi- C: Access Raspberry Pi through USB TO UART11. LoRa mode selection jumpers- Short M0, short M1: Transmission mode- Short M0, open M1: Configuration mode- Open M0, short M1: WOR mode- Open M0, open M1: deep sleep modeSpecification1. RF module: SX12622. Frequency band: 850.125 ~ 930.125MHz3. Radio rate: 0.3kbps ~ 62.5kbps (programmable)4. Transmit power: 22.0dBm (10/13/17/22dBm programmable)5. Receive sensitivity: -147dBm (radio rate 2.4kbps)6. Power consumption: - Transmit current: 133mA (transient consumption)- Receive current: 11mA- Sleep current: 2uA (LoRa module software shutoff)7. Communication interface: UART (TTL level)8. Baudrate: 1200bps ~ 115200bps (9600bps by default)9. Packet length: 240 Byte (32/64/128/240 Byte programmable)10. Cache: 1000 Byte11. Experimental range: 5km (condition: cloudless and wild, altitude 2.5m, antenna gain 5dBi, radio rate 2.4kbps)12. Power supply: 5V13. Logic level: 3.3V/5V14. Operating temperature: -40~85 degree C15. Applications: Smart home, industrial sensors, building automation, smart meters, and more other IoT applications16. Dimensions: 7cm x 12cm x 2cm17. Weight: 69g18. Packing List:- SX1262 868MHz LoRa HAT x1- USB type A plug to micro plug cable x1- 868MHz antenna x1

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1. This USB 3.2 Gen1 to Gigabit Ethernet wired Internet module incorporates Realtek original high performance controller RTL8153, with features including multi systems compatibility, driver-free, plug-and-play, supports systems like Win7/8/8.1/10, Mac, Linux, Android, and so on. 2. Easily providing wired Gigabit Ethernet connection for devices which has no Ethernet port or broken NIC, fast data rate, low latency, stable performance, smooth experience for gaming or HD movies. Specifications: 1. Controller: RTL8153 2. ETH port: RJ45 Gigabit Ethernet 3. USB: USB 3.2 Gen1 (data rate will be downgraded while connecting with a USB 2.0 port) 4. Network standard: 10/100/1000Mbps 5. System support: Win7/8/8.1/10, Mac, Linux, Android 6. Cable length: About 15cm (measured manually, for reference ONLY) 7. Status indicator: The green light keeps on, the yellow light keeps blinking Package list: 1. USB 3.2 Gen1 TO Gigabit ETH x 1 2. USB Type-A extension cable x 1

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FeaturesThe Solar Power Manager (B) is compatible with general 6V~24V solar panels. It can recharge the 3.7V rechargeable Li-po battery through solar panel or USB TYPE-C connection, and provides 5V / 3A regulated output (with multi protocols support including PD/QC/FCP/PE/SFCP). The module features MPPT (Maximum Power Point Tracking) function and multi protection circuits, therefore, it is able to keep operating with high-efficiency, stability, and safety. It is suitable for solar powered, low-power IoT, and other environmental protection projects. 1. Support MPPT (Maximum Power Point Tracking) function, maximizing the efficiency of the solar panel 2. Flexible battery recharging: from solar panel or USB TYPE-C power adapter 3. Compatible with 6V~24V solar panels, DC-002 jack input or screw terminal input 4. Onboard MPPT SET switch, select the level closed to input level to improve recharging efficiency 5. Onboard aluminum electrolytic capacitor and SMD ceramic capacitor, reducing the ripple, stable performance 6. PH2.0 battery connector, with embedded 10000mAh 3.7V rechargeable Li-po battery 7. Several LED indicators, for monitoring the status of solar panel and battery 8. Multi protection circuits: over charge / over discharge / reverse-proof / over heat / over current, stable and safe to use

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Features1. This is a RS485 device data acquisitor / IoT gateway designed for industrial environment. 2. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc. 3. The module features RS485 and Ethernet ports, uses screw terminals for power input, supports 9~24V wide range power supply. 4. Rail-mount flame-retardant case design, small in size, easy to install. 5. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring...Specifications1. Communication interface: RS485, screw terminal, supports 32x slave devices 2. Power supply: 9 ~ 24V DC, screw terminal 3. Dimensions (L x W x H): 87 x 36 x 59 mm 4. Ethernet: 10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection 5. Serial port: RS485 ?? 1: RXD, TXD, GND 6. Baudrate: 300 ~ 115200 bps 7. Parity bit: None, odd, even, mark, space 8. Data bit: 5 ~ 9 bits 9. Flow control: N/A 10. Protocol: ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS 11. Configuration: Host, web browser, device management functions library 12. Communication method: TCP/IP direct communication, VCOM 13. Operating mode: TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast 14. Operating temperature: -40 degree C ~ 85 degree C 15. Storage temperature: -45 degree C ~ 165degree C 16. Humidity range: 5% ~ 95% relative humidity

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Features1. Supports NVIDIA Jetson Nano Developer Kit2. Supports night vision when works with infrared LEDs3. 8 Megapixels4. Sensor: IMX2195. Resolution: 3280 × 24646. Lens specifications:- CMOS size: 1/4inch- Aperture (F): 2.0- Focal Length: 2.96mm- Angle of View (diagonal): 77 degree- Distortion: <1%- Lens dimensions: 6.5mm × 6.5mm7. 4 screw holes8. Used for attachment9. Provides 3.3V power output10. Supports connecting infrared LED and/or fill flash LED11. Dimension: 25mm x 24mm12. Weight: 31gPacking List1. IMX219-77IR Camera x12. Infrared LED Board (B) 2PCS x13. 15-pin FFC (opposite sides contact) x1

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1. Interface: TTL level RS232 format2. Purpose: experiment3. Card reading distance: below 5CM4. Application: smart home5. Weight: about 10g6. Coil inductance: 47~68uH7. Frequency: 125KHz8. Working voltage: DC 5V9. Working current: less than 50 mA10. Working temperature: -10 to 70 degrees Celsius11. Storage temperature: -20 to 80 degrees Celsius12. Coil size: 46x32x3mm13. Module size: 38.5x19x9mm

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About The ProductOverview 1. This is an industrial USB to RS485 converter with original FT232RL and SP485EEN inside. It features embedded protection circuits such as lightningproof, resettable fuse, ESD protection, and TVS diode, etc. It is pretty small in size. 2. The USB TO RS485 is very easy to use, allows automatic transceiving. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirement. Features 1. USB to RS485 communication 2. Adopt original FT232RL and SP485EEN, fast communicating, stable and reliable, better compatibility 3. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic 4. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance 5. 3 LEDs for indicating the power and transceiver status Specifications 1. Product type: Industrial converter 2. Baudrate: 300-921600bps 3. Host port: USB 4. Device port: RS485 5. USB: - Operating voltage: 5V - Connector: USB-A - Protection: 200mA self-recovery fuse, ESD protection - Transmission distance: about 5m 6. RS485: - Connector: screw terminal - Pins: A+, B-, GND - Direction control: hardware automatic control - Protection: 600W lightningproof and surge-suppress, 15KV ESD protection (onboard 120R balancing resistor) - Transmission distance: about 1200m (low rate) - Transmission mode: point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more) 7. LED indicators: - PWR: red power indicator, light up when there is USB connection and voltage is detected - TXD: red TX indicator, light up when the USB port sends data - RXD: red RX indicator, light up when the device ports send data back 8. Operating environment: - Temperature: -15 ~ 70 degree - Humidity: 5%RH ~ 95%RH 9. Operating system: Mac, Linux, Android, WinCE, Windows 10 / 8.1 / 8 / 7 / XPPackage List1. USB TO RS485 x 1 2. USB-A male to female cable x 1 3. Screwdriver x 1

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1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards2. 1-Ch CAN, adopts MCP2515 controller and CAN transceiver, converts SPI to CAN3. 2-Ch RS485, adopts SC16IS752+SP3485 dual-chip combination, converts SPI to RS4854. Onboard power conversion circuit, supports 8~28V wide voltage power supply, can power the Raspberry Pi at the same time5. Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal6. Onboard unibody digital isolation, for isolating the signal, reliable and jamproof, low power consumption7. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic8. Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance9. Onboard 120Ω terminal resistor, configured by jumper10. Onboard terminals and pin headers, more convenient connection11. Breakout SPI control pins, for connecting with host control boards

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1. Module support: for Jetson Orin NX / Jetson Orin Nano2. Power supply: DC 5V input3. Structure: embedded fan, aluminum alloy shell4. Electrical parameters: 0.65W (5V/0.13A)5. Cable length: 37+/-3mm6. Fan: PWM speed control, 5500+/-10%RPM7. Speed adjustable fan, elastic bracket and height limit screw

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Features:1. RS232/485 device data collector/IoT gateway specially designed for industrial environments.2. Integrate multiple functions into one, including serial port server, Modbus gateway, MQTT gateway, serial port to HTTPD client, etc.3. The module has RS232, RS485, WIFI, and Ethernet interfaces, which can realize serial to WIFI, serial to WIFI and other functions; Ethernet, Ethernet to WIFI, etc.4. Multiple onboard power interfaces support a wide range of 6~36V power supply, and can be equipped with PoE function.5. Industrial-grade metal shell design supports wall-mounted and rail-mounted installation. It is small in size and easy to install.6. Suitable for data collection, IoT gateway, security IoT, smart instrument monitoring and other applications.Product parameters:1. Frequency band: 2.412-2.484 GHz2. Wireless network: Station / AP / AP+Station mode3. Security mechanism: WPA-PSK / WPA2-PSK4. Encryption type: TKIP/AES5. Transmission power:802.11b: +19dBm (max @11Mbps)802.11g: +18dBm (max @54Mbps)802.11n: +17dBm (maximum @HT20, MCS7); +17dBm (maximum @HT40, MCS7)6. Receiving sensitivity:802.11b: -89dBm (@11Mbps)802.11g: -81dBm (@54Mbps)802.11n: -73dBm (@HT20, MCS7); -71dBm (@HT40, MCS7)7. Baud rate: 300-460800 bps8. Check digit: none, odd, even, mark, space9. Data bits: 5-9 bits10. Flow control: RTS/CTS N/A11. Protocol: TCP/UDP/ARP/ICMP/DHCP/DNS/HTTP/MQTT12. Configuration: host, browser, serial AT command13. Communication method: TCP/IP direct communication, VCOM14. Working mode: transparent transmission, serial port command, HTTPD Client, Modbus TCP to Modbus RTU15. Working temperature: minus 40 degrees Celsius - 85 degrees Celsius16. Humidity range: 5%-95% relative humidity17. Product size: 85 x 84 x 24mm18. Weight: 157g, 169gPacking list:RJ45 network port:-RS232/485 to WIFI Ethernet (B) x1-2.4G WiFi antenna x1-Rail mounting buckle x1-Screwdriver x1-Screw pack x1RJ45 network port supporting POE:-RS232/485 to WIFI POE ETH (B) x1-2.4G WiFi antenna x1-Rail mounting buckle x1-Screwdriver x1-Screw pack x1

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1. Using heavy gold PCB, machine welding process to ensure quality2. Chip built-in 16bit AD converter, 16-bit data output3. Communication method: standard IIC/SPI communication protocol4. Power supply: 3-5v5. Use chip: MPU-92506. Pin spacing: 2.54mm7. Size: 15x25mm

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Camera module, 2 MegapixelFeatures1. 2 Megapixel2. Array size: UXGA 1622X12003. Power supply: 3.3V4. IO voltage level: 1.7V~3.3V DC5. Output formats:- YUV(422/420)/YCnCr422- RGB565/555- 8-bit compressed data6. Max image transfer rate:- UXGA/SXGA 15fps- UXGA/SXGA 30fps- SVGA 30fps- CIF 60fps

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1. Micro SD card slot2. Support SDIO and SPI interfaces3. 2.54mm pitch pinheaders

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OverviewThe RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent.RPi Relay Board Features1. Supports Raspberry Pi A+/B+/2B/3B/3B+2. High quality relays, loads up to 5A 250V AC or 5A 30V DC3. Photo coupling isolation, prevent interference from high voltage circuit4. Onboard LEDs for indicating relays status5. Relay control jumper, allows to control the relays by custom pins other than the default pins6. Comes with development resources, including examples in wiringPi, WebioPi, shell, python, and bcm2835What is on the RPi Relay Board1. Raspberry Pi GPIO interface: for connecting Raspberry Pi2. Relay screw terminal: for connecting target devices3. Relays4. Photocoupler: PC8175. Relay indicator- LED on: relay NC is opened, NO is closed- LED off: relay NC is closed, NO is opened6. Power indicator7. Relay control jumper- Short the jumper: control the relays by default I/Os used in the example code- Open the jumper: control the relays by custom I/Os through jumper wiresPackage include- RPi Relay Board x 1- RPi screws pack (2pcs) x 1

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1. The portable instrument is automatically powered off after conversion and greatly reduces current consumption during idle periods2. Features: easy to implement, high precision, low current consumption, multi-mode conversion3. Power supply voltage: 2-5.5v4. Working temperature: -40 to 125 degrees celsius5. Programmable data rate: Transmission via I2C compatible serial interface6. Single mode: Automatic shutdown with onboard reference and oscillator7. Size: about 16 x 28mm8. Weight: about 2.5g

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OverviewSmart robot is always the favorite project of electronic enthusiasts, however, a robot will be "not that smart" if it is not AI-based.Welcome the JetBot, an actual smart robot powered by Jetson Nano. With the intelligent eye (front camera), facial recognition, object tracking, auto line following, and collision avoidance can be easily achieved. It also comes with ROS nodes code, which makes it easy to get started with the open source ROS (Robot Operating System), and to learn the system framework and concepts of ROS.Features1. Adopts 3x 18650 batteries (NOT included), high battery capacity, up to 12.6V voltage output, more powerful driving force.2. Integrates S-8254AA + AO4407A lithium battery protection circuit, provides protections for over-charge, over-discharge, over-current, and short circuit.3. Onboard APW7313 voltage regulator, provides stable 5V voltage for the Jetson Nano.4. Onboard TB6612FNG dual H-bridge motor driver.5. Onboard 0.91inch 128×32 pixels OLED, allows to display robot IP address, RAM, battery life, etc.6. Onboard ADS1115 AD acquisition chip for monitoring the battery in real time.7. Weight: 1029gWhat is on the JetBot Expansion Board1. S-8254AA: Lithium battery protector, provides protections for over-charge, over-discharge, over-current, and short circuit2. ADS1115: 16-bit AD acquisition chip, monitoring the battery in real time3. AO4407A: P-Channel MOSFET for protection circuit4. APW7313: 5V power regulator for powering the Jetson Nano5. PCA9685: PWM controller, I2C interface, for IO expansion6. TB6612FNG: dual H-bridge motor driver7. 0.91 inch OLED: SSD1306 driver chip, 128×32 pixels8. Battery charger input: charging the 3x 18650 batteries9. Power switch10. 18650 battery holder11. Motor connector (bottom side)12. Jetson Nano communication header: I2C interface and power supplyPacking List1. Jetson Nano Developer Kit x12. Micro SD Card 64GB ×13. Metal box x14. Camera holder x15.Acrylic piece x16. Jetbot expansion board x17. IMX219-160 Camera x18. Wireless-AC8265 x19. Motor 2PCS x110. Wheel 2PCS x111.Omni-direction wheel 2PCS x112. Power adapter EU head x113. 12.6V battery charger x114. Wireless gamepad x115. Screwdriver 2PCS x116. 6Pin 9cm cable x117. Screws pack x118. Spanner x119. Cooling fan x120. Micro SD card reader x1

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1. Raspberry Pi Camera, supports all revisions of the Pi2. 5 megapixel OV5647 sensor3. Adjustable focus distance4. Camera specifications- CCD size: 1/4inch- Aperture (F): 2.0- Focal Length: 6mm- Angle of View (diagonal): 60.6 degree- Sensor best resolution: 1080p5. Dimension: 32mm x 32mm

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1. Input voltage: DC4~12V2. Output voltage: DC2.5~8V3. Output power: 5W (do not use it with overload)4. Function description: suitable for common 5.0V USB fans on the market5. How to use: Plug the male head of the governor into a mobile phone charger, power bank, computer USB, etc., and then insert the fan plug into the female head of the governor to use6. Adjustment method: knob adjustment (clockwise increase, counterclockwise decrease)7. Features: strong wind and weak wind can be adjusted at will, fan stepless speed regulation, wide voltage input compatible with multi-speed power supply.8. The module is a speed-regulating fan module designed according to the principle of high-frequency switching power supply. The essence is to control the speed of the fan by adjusting the output voltage.9. Matters needing attention: When used to adjust the fan in two gears, please set the fan to the first gear, otherwise the speed may not be adjusted.10. Size: 50x18mm

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FeaturesThe SGP40 VOC Sensor is a digital VOC (Volatile Organic Compounds) sensor module which incorporates SGP40, designed for air quality monitoring. It can be used to measure fire coal, natural gas emissions, cigarette/cooking smoke, and emissions from constructing activity, decoration material, furnitures, home appliances, then generate digital signals for triggering air treatment devices. The SGP40 VOC Sensor is small in size for easy integration into air treatment devices and air quality monitors, definitely an ideal choice for learning air quality monitoring. 1. Incorporates SGP40, for measuring 0 ~ 1000 ppm of ethanol equivalents 2. Features humidity-compensation and low-heat-dissipation, providing outstanding performance on sorts of environments 3. Digital I2C output, less interference 4. Onboard voltage translator, compatible with 3.3V/5V operating voltage 5. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)Specification1. Sensor: SGP40 2. Measurement range: 0~1000 ppm of ethanol equivalents 3. Communication BUS: I2C (constant address: 0x59) 4. Operating voltage: 3.3V / 5V 5. Response time: Less than 10s (tau 63 %) 6. Switch-ON time: Less than 60s 7. Size: 27x20mm 8. Mounting hole size: 2.0mmPackage List1. SGP40 VOC Sensor x1 2. PH2.0 4PIN wire 20cm x1

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1. Chip solution: TPA3116D2 (with AM interference suppression function)2. With or without filter: Yes (the sound is more mellow and clear after filtering)3. Adapted supply voltage: 5~27V4. Adapted speakers: 30W~200W, 4ohms, 8ohms5. Number of channels: left and right dual channels (stereo)6. Bluetooth version: 5.07. Bluetooth transmission distance: 15 meters (unobstructed)8. Protection mechanism: overvoltage, undervoltage, overheating, DC detection, short circuit protection9. Tip: Only when the audio input is sufficient and the power supply voltage/current is sufficient, there will be sufficient output power. The higher the power supply voltage, the higher the relative power, and speakers with different impedances will have different output powers. In the case of sufficient voltage and current, the greater the ohms of the speaker, the lower the relative sound power, please pay attention!10. Power supply voltage:-12V ------ 8 ohm speaker/12W (left channel) + 12W (right channel), 4 ohm speaker/20W+ 20W-15V ------ 8 ohms/18+ 18W, 4 ohms/more than 30 + 30W-19V ------ 8 ohms/32 + 32W, 4 ohms/more than 45 + 45W-24V ------ 8 ohms/38 + 38W, 4 ohms/more than 55 + 55W

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1. Using PT2399 reverberation chip, with NE5532 op amp, it can mix human voice and music, which can realize independent adjustment of music volume, microphone volume and reverberation time to achieve K song effect2. It can be used for DC 12-24V power supply or AC 5-12V, which can be directly used for various digital power amplifier boards. If the power supply voltage is the same, the power supply can be shared3. Input voltage: DC12-24V4. Reverberation chip: PT239995. Microphone input: 26. Knob spacing: 24MM Microphone spacing: 17.6MM7. Output channel: 2 channels8. Frequency response range: 25HZ-17KHZ9. Appearance size: 117 x 53MM10. Weight: 75 grams11. Note: Only adjustable loop microphones can be used, other microphones such as condenser microphones, pole microphones, and headphone microphones are not available.

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Need more Flash for Raspberry Pi Pico? Dislike the outdated Micro USB connector? All these problems are solved by our RP2040-Plus now. As same as Raspberry Pi Pico, it incorporates the RP2040 microcontroller, with dual-core Arm Cortex M0+ processor running up to 133 MHz, and 26x multi-function GPIO pins. What is different, it features onboard 4MB Flash, USB-C connector, recharge header, and higher current DC-DC chip. Key features include: 1. RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom 2. Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz 3. 264KB of SRAM, and 4MB of on-board Flash memory 4. USB-C connector, keeps it up to date, easier to use 5. Lithium battery recharge/discharge header, suitable for mobile devices 6. Onboard DC-DC chip TPS63000, high efficiency DC-DC buck-boost chip, 1.8A current switch 7. Castellated module allows soldering direct to carrier boards 8. USB 1.1 with device and host support 9. Low-power sleep and dormant modes 10. Drag-and-drop programming using mass storage over USB 11. 26 x multi-function GPIO pins 12. 2 x SPI, 2 x I2C, 2 x UART, 3 x 12-bit ADC, 16 x controllable PWM channels 13. Accurate clock and timer on-chip 14. Temperature sensor 15. Accelerated floating-point libraries on-chip 16. 8 x Programmable I/O (PIO) state machines for custom peripheral support

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1. Three-in-one electronic clock module, integrating three practical functions: time, thermometer and voltmeter2. Using RX8025T clock chip, the timing accuracy is stable3. The lengthened temperature probe can effectively solve the problem that the temperature affected by the module temperature is not accurate enough4. Power supply voltage: DC5.0-30V5. Temperature function range: -40-120 degrees Celsius, resolution 0.16. Voltmeter function range: DC5-30V (requires pure DC power supply, it is not recommended to use 24V battery, because the voltage may be too high during charging and burn)7. Size: about 4x1.4x1.3cmFunction and usage instructions:1. Adjust time, date, year, voltage error, temperature error cycle display item definition, alternate display interval time2. In the non-setting state, press the left key to enter the time adjustment (note that the colon in the middle is bright):- At this time, the minute bar starts to flash, press the right button to increase, the adjustment range is 00-59, after adjusting, press the left button again, the hour bar starts to flash, press the right button to increase, the adjustment range is 00-23- After adjusting the hour, press the left button again to enter the date adjustment (note that the colon in the middle is off), at this time the date column starts to flash, press the right button to increase, the adjustment range is 1-31, after the date is adjusted, press the left button again key, the month column starts to flash, press the right key to increase, the adjustment range is 1-12, after adjusting the date, press the left key again, the year column starts to flash, press the right key to increase, the adjustment range is 2012-2049- After adjusting the year, press the left key again to enter the error calibration function of the displayed voltage, the unit is 0.1V, a positive number means increase, and a negative number means decrease- Then press the left key again to enter the temperature error calibration setting, press the right key to increase, a positive number means increase, a negative number means decrease, the unit is Celsius- Press the left button again to enter the definition function dd option of the display item in the cycle display state,Press the right button to change the value: (dd:0) time + temperature + voltage, (dd: 1) time + temperature, (dd: 3) time + voltage- Press the left button again to enter the cycle display alternate interval time dF option, press the right button to change the value, the larger the value, the longer the interval- Press the left button again to save all the set values ??and return to the normal display state3. Switch display items: in the non-setting state, press the right key to switch the display items, and the display will switch between the time-date-temperature-voltage alternate display

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1. Can be equipped with USB adapter board, Micro USB as input, easy to use2. The voltage regulator adopts a multi-turn precision long-handle potentiometer, which can be directly adjusted manually3. With a beautiful shell, the color of the output voltage display will be shipped randomly4. Input: USB 5V male input5. Output: 1-24V6. Power: up to 3W7. Size: about 7x2.3x1.3cm8. Weight: about 25g

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1. Input voltage: DC 5.0-30V (under 4.7V with under-voltage protection LVP)2. Output voltage: DC 0.6-30V3. Output current: 0-4.0A4. Output power: 35W under natural cooling, up to 50W under air cooling5. Soft start: yes6. Input reverse connection protection: yes, reverse connection will not burn7. Anti-backflow at the output: yes, it can be directly connected to the battery8. Output short-circuit protection: yes, the output terminal can be directly short-circuited9. Temperature protection (OTP): yes, 100 degrees Celsius10. Working frequency: 180KHZ11. Recommended opening size: about 7.8x3.9cm12. Appearance size: about 7.9x4.2x2.4 cm13. Weight: about 93gFeatures:1. Power LCD display, clear interface, easy to operate2. Digitally controlled voltage and current adjustment, convenient and fast3. Hardware protection: input anti-reverse connection protection, reverse connection does not burn, output short-circuit protection, short-circuit does not burn, output anti-backflow, no need to add an anti-backflow diode when charging the battery4. Software protection: over voltage protection (OVP), over current protection (OCP), over power protection (OPP), over temperature protection (OTP), input under voltage protection (LVP)5. Full of materials, stable performance and wide range of uses6. Long press the rotary encoder button to enter the setting interface, which is easy to operate

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1. Base board for Compute Module 4 Lite / eMMC 2. Standard CM4 socket, with multiple peripheral interfaces, suitable for narrow application environment Specifications: 1. CM4 socket: Suitable for all variants of Compute Module 4 2. Connector: Raspberry Pi 40PIN GPIO interface x 1 3. USB: USB 2.0 Type A interface x 1 4. Camera: MIPI CSI-2 port x 1 (15pin 1.0mm FPC connector) 5. Storage: Micro SD card socket for Compute Module 4 Lite (without eMMC) variants 6. Power: 5V 7. Size: 55 x 40mm Package list 1. CM4-NANO-A x1 2. 2 x 20PIN color-coded straight pinheader x 2

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Features:1. WAVE ROVER is a four-wheel-drive mobile robot chassis with an all-metal body. It has strong off-road traversing capabilities and shock absorption performance. All codes are open source and can be developed again.2. Supports multiple hosts (Raspberry Pi, Jetson Nano, Jetson Orin Nano, etc.). The host can communicate with the ESP32 slave through the serial port.3. Equipped with four N20 reduction motors and high-quality gearboxes, the mobile robot can travel at high speeds and has strong power.4. Built-in 3S UPS power module, supports 3 18650 lithium batteries (series connection, not included), provides uninterrupted power supply for the robot, and supports charging and power output at the same time.5. Built-in multi-functional robot driver board, based on ESP32, with onboard WIFI and Bluetooth, used to drive serial bus servos, output PWM signals, expand TF card slots, etc.6. WAVE ROVER uses flexible rubber tires, which greatly reduces the impact of complex terrain and easily meets the needs of high-speed driving, shock absorption, and off-roading.7. Comes with a mounting plate that can be used to install hosts (Raspberry Pi 4B, Jetson Nano, Jetson Orin Nano, etc.), LD19/STL-27L lidar, and gimbal cameras, providing more possibilities for secondary development.Product parameters:1. Tire material: nylon wheels, rubber tires2. Body material: 5052 aluminum alloy (2mm thick)3. OLED screen: 0.91 inches4. Chassis height: 33.70mm5. Tire diameter: 80mm6. Tire width: 42.50mm7. Motor: N20 12V 200RPM x 48. Number of driving wheels: 49. Running speed: 1.25m/s10. Vertical obstacle surmounting ability: 40mm11. Drive payload: 0.8kg12. Climbing ability: 22 degrees13. Minimum turning radius: 0m (rotating in place)14. Motor power: 1.5W x 415. Remote control function: WIFI AP/STA16. Upper surface area: 17551 square millimeters17. Communication interface: UART/serial bus servo interface/I2C18. Battery support: 18650 lithium battery × 3 (delivered without battery)19. Overall dimensions: 194×168×100mm20. Weight: 860g

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1. Design with good heat dissipation, do not have to install the cooling fan or heatsink. 2. This case is constructed out of high quality aluminum material. 3. Suitable for Raspberry Pi 4 only 4. Access to all ports of Raspberry Pi 4 5. Cable interface is reserved, support to install cable. Note: Please insert the Micro SD card to Raspberry Pi before installing the case.

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1. Dual decoding supports music in MP3/WMA/WAV/FLAC/APE lossless decoding format2. Support bluetooth call function, power off memory function3. Support MMC/SD/MMA and other cards, support USB interface (U disk)4. Support external audio source input LINE IN5. Support radio FM, search frequency band (87.5MHZ-108.0MHZ)6. Mobile phone Bluetooth connection matching fast, low-power decoding scheme7. Application areas: speakers, tricycles, vans, buses, trolley speakers, power amplifiers, etc.8. Bluetooth transmission distance: within 20 meters9. Radio channel: 87.5Mhz-108Mhz10. Voltage input: DC 5V11. Amplifier: 2 x 3W12. Function: Bluetooth 5.0+lossless decoding+call+radio FM+AUX+USB+TF card13. Speaker: 4 ohms, 3W14. Buttons: three-button control, VOL-/AUTO/VOL+15. Dimensions: 71 x 22mm

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1. Based on Qualcomm platform, support 5G NSA and SA networking, support multi-mode & multi-band2. Multi-constellation dual-band positioning: GPS, Beidou, Glonass, Galileo, and QZSS3. Operating system support: Windows/Linux/Android4. USB 3.1 port (USB 2.0 compatible) for connecting to PC, Raspberry Pi, or Jetson Nano host board to enable high speed 5G communication5. Standard M.2 B KEY slot, compatible with different 5G modules: SIM8202X-M2 / SIM8200EA-M2 / SIM8262X-M2 series6. Onboard UART, PWR, and RST control pin, built-in voltage level translator, enabled via DIP switch, for use with hosts like Raspberry Pi or Arduino7. Onboard USB-C connector, enabled via switch, for connecting standalone power supply for the module, allows more loads, stable amd flexible power supply8. Onboard power supply on/off switch, reset button and LED indicator, easy to turn on/off the module or monitor the operating status9. 4x SMA to IPEX antenna connectors, with pre-soldered SMA terminals for connecting antennas10. 2x SIM card slot, dual card single standby, switchable via AT command11. Onboard audio jack and audio decoder, allows audio operation like making phone call12. High efficiency power supply circuit, up to 3A output current

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1. This connector is a right-angle connector, which is designed to sit flush with the panel of the female port.2. It can be used to build entire custom cables for TV, Computer screens, etc.3. It can either be used as a replacement part or modification for an existing cable4. Interface: Vertical Mini HDMI plug5. Usage: For DIY HDMI cable6. Dimension: 12 x 16 x 17.5mm

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About The Product1. Multi-function time relay module, 5~30V wide voltage power supply, MOS tube control output, no contact, no ignition, little interference. 2. Up to 10A control capability. 3. There are up to 31 working modes to meet various testing and automatic control applications. 4. The delay time is adjustable from 0.01 second to 999 minutes. 5. The trigger port can be triggered by a voltage signal or by connecting a button.Specifications1. Power supply voltage: 5~30V 2. Trigger terminal voltage: DC 3.3~30V (can also be triggered by button) 3. Control current: 10A 4. Module size: 63 x 42 x 14mm (length, width and height)Using tips1. Setting of working parameters: Press and hold the S1 button without letting go, the display will show P-xx after 0.5 seconds, press S2 and S3 to change the working mode. 2. After selecting the working mode, short press the S1 key to enter the A time setting, and the screen displays Axxx. At this time, press the S2 and S3 keys to modify the A time parameter. Short press the S2 and S3 keys to add or subtract 1, and long press to quickly add or subtract 10. 3. Press the S4 key to set the position of the decimal point. After setting the A time, press the S1 key to set the B time, and the screen displays bxxx. At this time, press the S2 and S3 keys to modify the B time parameter. 4. Short press the S2 and S3 keys to add or subtract 1, and long press to quickly add or subtract 10. Press the S4 key to set the position of the decimal point. After setting the B time, press the S1 key to set the C time, the screen displays Cxxx, at this time press the S2 and S3 keys to modify the c time parameter, short press the S2 and S3 keys to add or subtract 1, long press to quickly add or subtract 10, Press the S4 key to set the position of the decimal point. 5. After setting the c time, press the S1 key to enter the most setting of the d parameter. The d parameter is the number parameter, ranging from 1 to 999. After setting the d parameter, press the S1 key one last time to exit the setting state and save all parameters.Point Position1. Ax.xx The decimal point is in hundreds, and the time range is 0.01~9.99 seconds 2. Axx.x The decimal point is in the tens place, and the time range is 0.1~99.9 seconds 3. Axxx. The decimal point is in the ones place, and the time range is 1~999 seconds 4. Axxx has no decimal point and the time range is 1~999 minutes 5. Turn off the display: In the non-setting state, press the S4 key to turn off the display, and then press it to turn it on again.

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1. Product type: serial server, Modbus gateway, MQTT gateway2. Basic functions: bidirectional transparent data transmission between RS232 and Ethernet3. Communication interface: RS232 port x 1, Ethernet port x 14. Power supply: DC 6 ~ 36V5. Ethernet: ordinary network port PoE network port; support IEEE 802.3af standard; 10 / 100M auto-negotiation RJ45 connector, 2KV surge protection6. Baud rate: 300 ~ 115200 bps7. Parity bit: None, Odd, Even, Mark, Space8. Data bits: 5 ~ 9 bits9. Flow Control: N/A10. Protocol: Ethernet, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS11. Configuration: host, web browser, device management function library12. Communication method: TCP/IP direct communication, VCOM13. Operation mode: TCP server, TCP client (coexist with TCP server), UDP, UDP multicast14. Dimensions: 87x36x59mm15. Easily combine multiple DIN rail serial servers, more freedom16. Two-way transparent data transmission between RS232 and Ethernet17. Suitable for Modbus Gridding upgrade, can be used with specific configuration software18. MQTT/JSON to Modbus, more flexible conversion between different protocols19. Multi-host polling support, different network devices will be recognized and responded separately, and there will be no crosstalk problems when communicating with multiple network devices20. Multi-host polling support, easy cloud communication and device identification21. NTP protocol support, obtain network time information for serial output or data upload22. Multiple configuration methods, support web browser configuration, obtain dynamic IP through DHCP, and connect to domain server address through DNS protocol

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1. VCC: 3.3V - 5V power input2. GND: ground wire3. SCL: I2C clock pin4. SDA: I2C data pin5. Communication interface: I2C6. LCD controller: AiP310687. Working voltage: 3.3-5V8. Working temperature: minus 20-70 degrees Celsius9. Display panel: Character LCD10. Display size: 64.5 x 16.0mm11. Characters: 16 x 212. Product size: 87.0 x 32.0 x 13.0mm13. Built-in character LCD panel LCD160214. I2C control interface, only need two signal pins, saving IO resources15. Compatible with 3.3V/5V working voltage16. Comes with online development resources and manuals (Raspberry Pi/Jetson Nano/ESP32/Arduino examples)

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Features:1. Onboard original FT232RL and SP485EEN chips; fast communication speed, stable and reliable, better compatibility2. On-board integrated power isolation, providing stable isolation voltage, no additional power supply is required at the isolation end3. Onboard integrated digital isolation, signal isolation, high reliability, strong anti-interference, low power consumption4. Onboard TVS (Transient Voltage Suppressor), effectively suppressing surge voltage and transient peak voltage in the circuit, lightning protection and anti-static5. On-board self-recovery fuse and protection diode to ensure stable current/voltage output, provide over-current/over-voltage protection, and improve impact resistance6. Onboard 15KV ESD isolation protection and 600W lightning surge protection7. The RS485/RS422 interface has a 120R terminal resistor on board, which is enabled by default and can be configured by jumpers8. 3 LEDs to indicate power and transceiver status9. Industrial-grade rail-type ABS shell design, small size, easy installation, high cost performanceProduct parameters:1. Baud rate: FT232RNL (300bps-3Mbps)2. Host port: USB3. Device port: RS485/4224. Working voltage: 5V5. Connector: USB-B6. Protection: 200mA resettable fuse, ESD protection7. Transmission distance: about 5m8. Connector: screw terminal9. Pins: A+, B-, PE10. Direction control: hardware automatic control11. Protection: 600W lightning protection surge suppression, 15KV ESD protection (120R balance resistor on board)12. Transmission distance: about 1.2km (low speed)13. Transmission method: point-to-multipoint (MAX32 nodes, repeaters are recommended for more than 16 nodes)14. LED indicator light: PWR: red power indicator light, it is on when there is a USB connection and voltage is detected; TXD: green TX indicator light, it is on when the USB port sends data; RXD: blue RX indicator light, when the device port sends data back lights up15. Working environment temperature: minus 15-70 degrees Celsius16. Humidity: 5%-95% RH17. Operating system: Mac, Linux, Android, WinCE, Windows 10 / 8.1 / 8 / 7 / XP18. Shell: rail type ABS shell, suitable for 35mm DIN rail19. Product size: 81.9 × 54.0 × 32.0mm20. Weight: 104 gramsPacking list:-USB to RS485/422 x 1-1.2mUSB-A to USB-B cable x 1-Screwdriver x 1

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1. Working voltage: DC 3.3V-5V2. Output signal: 128x1 pixels3. Response time: 100ms (test routine)4. Equipped with lens: 56-degree distortion-free lens5. Detection distance: within 5-40cm (because of the lens, it is not suitable for long-distance forward-looking tests)6. Application occasions: STM32 single-chip CCD camera black line tracking, obstacle avoidance, multi-channel line inspection and other image processing electronic design7. The linear CCD module can collect the image information of the ground line, and extract the characteristic information of the line through the image processing algorithm, so as to achieve higher precision line inspection8. Stronger adaptability: linear CCD module line inspection is not limited by lighting conditions, and can be used under various lighting conditions9. Stronger scalability: Linear CCD module line inspection can adapt to different line inspection scenarios by changing image processing algorithms and parameters to achieve wider applications10. The linear CCD module contains 128 linearly arranged photodiodes. When a frame of image is taken, the image is a long strip with only one pixel width, and is divided into 128 AD data from left to right, and each AD data represents a pixel. Gray value, the collected gray value will be output in the form of analog signal (voltage) on the AO line11. Using 128-pixel linear array CCD, working voltage 3.3-5V, detection distance 5-40 cm12. Onboard 5PIn-XH2.54 anti-reverse connection interface, the pin distribution is GND, VCC, AO, CLK, SI13. Smart car tracking for higher speeds14. Dimensions: 28x26x40 mm15. Weight: 7.2 grams (module)Working principle:When shooting a scene, the light reflected by the scene is transmitted to the CCD through the lens of the camera. When the CCD is exposed, the photodiode is excited by the light to release the charge, and the current generated by the photodiode is controlled by the control signal circuit in the photosensitive element. The output of the transmission circuit, the CCD will collect the electrical signals generated by one imaging, and output them to the amplifier in a unified manner. The amplified and filtered electrical signals are sent to the A/D, and the A/D converts the analog electrical signals into digital signals. The size of the signal is directly proportional to the strength of the electrical signal, that is, the level of the voltage. These values ??are actually the data of the image. By processing the returned data, it can be used for smart car path recognition, tracking, and obstacle avoidance

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1. RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom2. Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz3. 264KB of SRAM, and 2MB of on-board Flash memory4. Onboard 5 × 5 RGB LED matrix for colorful lighting display5. Castellated module allows soldering direct to carrier boards6. USB 1.1 with device and host support7. Low-power sleep and dormant modes8. Drag-and-drop programming using mass storage over USB9. 20 × multi-function GPIO pins10. 2 × SPI, 2 × I2C, 2 × UART, 4 × 12-bit ADC, 16 × controllable PWM channels11. Accurate clock and timer on-chip12. Temperature sensor13. Accelerated floating-point libraries on-chip14. 8 × Programmable I/O (PIO) state machines for custom peripheral support

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1. Chip model: VL8172. Transmission speed: 5Gbps (theoretical)3. Input interface: USB-A4. Data cable length: 30cm5. Output interface: 4xUSB3.06. Interface compatibility: USB3.0 and backward compatible with USB2.0 and USB1.17. Supporting equipment: ROS robot/car, Raspberry Pi/Rising Sun RDK/Jetson series motherboards, PC computer, industrial computer8. Compatible systems: Win7/8/10, Linux, MacOS, Ubuntu9. Working voltage: 5V10. Working current: 90mA11. Output current: When the external power supply conditions are met, the total output current of four USB channels can reach 5A, and the output current of single USB channel can reach 1.5A12. External power supply voltage and current: 12V input 2.5A, 24V input 1.35A in the case of output 5V5A (laboratory data)13. External power supply interface: microUSB (5V), DC5.5x2.5 (9V-24V), XH2.54 interface (9V-24V)14. Protection circuit: overcurrent protection, short circuit protection, power reverse connection protection15. Dimensions: 68x60x18.5mm16. Weight: 36.5 grams17. The USB HUB board is specially designed for robot developers, compatible with Raspberry Pi, Jetson NANO series development boards18. Onboard VL817 HUB chip, 4 output USB3.0 ports, three power supply interfaces of micro USB, DC5.5x2.5 and XH2.5419. Support external wide voltage power supply, the total current can support 5A (MAX)20. It can provide more stable data transmission and avoid transmission failure due to insufficient current21. 1 input USB interface, 4 USB3.0 output interfaces, the transmission speed can reach 500MB/S22. Three power supply modes, support 9-24V external voltage input23. Wide range of applications, supporting robots, smart cars, Raspberry Pi, Jetson series boards, computers, etc.24. The USB3.0 HUB expansion board is designed to solve the problems of insufficient USB interface on the motherboard and insufficient power supply caused by the increase of USB peripherals.25. In addition to the USB-A standard data interface power supply, it also supports 5V (micro-USB), 9-24V (DC interface/XH2.54 socket) wide-voltage external power supply to ensure the normal power supply of USB peripherals26. Compatible with Win7/8/10, Linux, Ubuntu, MacOS systems, no driver required, plug and play27. If the USB device needs to be restarted, the device can be restarted by switching the power supply, without plugging and unplugging the damaged interface28. Equipped with VL817 main control chip solution, the main control performance is stable, and the transmission is stable and safe29. Efficient and safe power cooling management chip, using large-size heat sink to ensure stable temperature and safe transmission during high-power use30. 4-way USB device status indicators, the device connection status is clear at a glance

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Features:1. Support USB to 2 UART, or USB to 1 UART+1 I2C+1 SPI, or USB to 1 UART+1 JTAG2. Supports 2-channel high-speed UART interface, baud rate up to 9Mbps, with CTS and RTS hardware automatic flow control3. Supports 1-channel I2C interface, which is convenient for operating EEPROM or programming I2C devices such as OLEDs and sensors through the host computer.4. Supports 1 SPI interface and has 2 chip select signal pins, which can control 2 SPI slave devices at different times.5. Supports 1-way JTAG interface and can be used with OpenOCD for debugging and testing (due to limited chip and software function testing, users need to evaluate and test this function by themselves)6. Onboard 3.3V and 5V level conversion circuit, used to switch the working level of the communication interface, with better compatibility7. Onboard resettable fuse and ESD protection circuit provide over-current/over-voltage protection and ensure safe and stable communication.8. Aluminum alloy shell, oxidized matte surface, CNC process opening, sturdy and durable, excellent workmanship9. High-quality USB-B and DC connectors, smooth plugging and unplugging, durable and reliable, with anti-reverse connection protectionProduct parameters:1. Host interface: USB2. Power supply: USB port, 5V3. Working voltage: 3.3V/5V (selected through onboard switch)4. USB:Connector: USB-BInterface protection: resettable fuse, ESD protection5. Serial port:Channel: 2 (red DIP switch needs to be set to M0 mode)Connector: 6PIN IDC connectorBaud rate: 1200bps-9MbpsHardware flow control: CTS and RTS6. I2C:Channel: 1 (red DIP switch needs to be set to M1/M2 mode)Connector: 12PIN IDC connector (the first 4 pins are I2C)7. SPI:Channel: 1 (red DIP switch needs to be set to M1/M2 mode)Connector: 12PIN IDC connector (the last 8 pins are SPI)8. JTAG：Channel: 1 (red DIP switch needs to be set to M3 mode)Connector: 12PIN IDC connector (the last 8 pins are JTAG)9. Product size: 86 x 48 x 27.6mm10. Weight: 170gPacking list:-USB to UART/I2C/SPI/JTAG x1-USB Type A to Type B cable 1.2m x1-12PIN cable 20cm x1-6PIN cable 20cm x2

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Features:1. Supports connecting to host or MCU to control serial bus servo2. Allows simultaneous control of up to 253 ST/SC series serial bus servos (requires sufficient power supply)3. 9-12.6V voltage input (input voltage and servo voltage must match)4. Provide convenient serial bus servo control solutions5. Integrated control circuit to ensure stable operation of serial bus servo6. Compact size, saving space, suitable for integration into various projects with limited spaceProduct parameters:1. Power supply: DC 9-12.6V (ST series servo)2. Power connector: 5.5 × 2.1mm DC3. Communication interface: UART4. Mounting hole size: 2.5mm5. Mounting hole distance: 37 × 28mm6. Product size: 42 x 33mm7. Weight: 16 grams

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Features:1. RS232/485 device data collector/IoT gateway specially designed for industrial environments.2. Integrate multiple functions into one, including serial port server, Modbus gateway, MQTT gateway, serial port to HTTPD client, etc.3. The module has RS232, RS485, WIFI, and Ethernet interfaces, which can realize serial to WIFI, serial to WIFI and other functions; Ethernet, Ethernet to WIFI, etc.4. Multiple onboard power interfaces support a wide range of 6~36V power supply, and can be equipped with PoE function.5. Industrial-grade metal shell design supports wall-mounted and rail-mounted installation. It is small in size and easy to install.6. Suitable for data collection, IoT gateway, security IoT, smart instrument monitoring and other applications.Product parameters:1. Frequency band: 2.412-2.484 GHz2. Wireless network: Station / AP / AP+Station mode3. Security mechanism: WPA-PSK / WPA2-PSK4. Encryption type: TKIP/AES5. Transmission power:802.11b: +19dBm (max @11Mbps)802.11g: +18dBm (max @54Mbps)802.11n: +17dBm (maximum @HT20, MCS7); +17dBm (maximum @HT40, MCS7)6. Receiving sensitivity:802.11b: -89dBm (@11Mbps)802.11g: -81dBm (@54Mbps)802.11n: -73dBm (@HT20, MCS7); -71dBm (@HT40, MCS7)7. Baud rate: 300-460800 bps8. Check digit: none, odd, even, mark, space9. Data bits: 5-9 bits10. Flow control: RTS/CTS N/A11. Protocol: TCP/UDP/ARP/ICMP/DHCP/DNS/HTTP/MQTT12. Configuration: host, browser, serial AT command13. Communication method: TCP/IP direct communication, VCOM14. Working mode: transparent transmission, serial port command, HTTPD Client, Modbus TCP to Modbus RTU15. Working temperature: minus 40 degrees Celsius - 85 degrees Celsius16. Humidity range: 5%-95% relative humidity17. Product size: 85 x 84 x 24mm18. Weight: 157g, 169gPacking list:RJ45 network port:-RS232/485 to WIFI Ethernet (B) x1-2.4G WiFi antenna x1-Rail mounting buckle x1-Screwdriver x1-Screw pack x1RJ45 network port supporting POE:-RS232/485 to WIFI POE ETH (B) x1-2.4G WiFi antenna x1-Rail mounting buckle x1-Screwdriver x1-Screw pack x1

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Features:1. WAVE ROVER is a four-wheel-drive mobile robot chassis with an all-metal body. It has strong off-road traversing capabilities and shock absorption performance. All codes are open source and can be developed again.2. Supports multiple hosts (Raspberry Pi, Jetson Nano, Jetson Orin Nano, etc.). The host can communicate with the ESP32 slave through the serial port.3. Equipped with four N20 reduction motors and high-quality gearboxes, the mobile robot can travel at high speeds and has strong power.4. Built-in 3S UPS power module, supports 3 18650 lithium batteries (series connection, not included), provides uninterrupted power supply for the robot, and supports charging and power output at the same time.5. Built-in multi-functional robot driver board, based on ESP32, with onboard WIFI and Bluetooth, used to drive serial bus servos, output PWM signals, expand TF card slots, etc.6. WAVE ROVER uses flexible rubber tires, which greatly reduces the impact of complex terrain and easily meets the needs of high-speed driving, shock absorption, and off-roading.7. Comes with a mounting plate that can be used to install hosts (Raspberry Pi 4B, Jetson Nano, Jetson Orin Nano, etc.), LD19/STL-27L lidar, and gimbal cameras, providing more possibilities for secondary development.Product parameters:1. Tire material: nylon wheels, rubber tires2. Body material: 5052 aluminum alloy (2mm thick)3. OLED screen: 0.91 inches4. Chassis height: 33.70mm5. Tire diameter: 80mm6. Tire width: 42.50mm7. Motor: N20 12V 200RPM x 48. Number of driving wheels: 49. Running speed: 1.25m/s10. Vertical obstacle surmounting ability: 40mm11. Drive payload: 0.8kg12. Climbing ability: 22 degrees13. Minimum turning radius: 0m (rotating in place)14. Motor power: 1.5W x 415. Remote control function: WIFI AP/STA16. Upper surface area: 17551 square millimeters17. Communication interface: UART/serial bus servo interface/I2C18. Battery support: 18650 lithium battery × 3 (delivered without battery)19. Overall dimensions: 194×168×100mm20. Weight: 860g

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Product features:1. Adopts FT232BL chip with external EEPRON (93C46)2. Support Windows 103. Support 3 power supply modes: 5V external power supply, 3.3V external power supply, external power supply (requires 3.3V-5V)4. With 3 LEDs: TXD LED, RXD LED, POWER LED5. GND, RXD, TXD, 3V3, 5V: using a curved pin pin out6. The rest of the function PIN: reserved pads CTS, RTSInstructions for use: (to access the MCU as an example)1. GND: connected to GND2. RXD: connect to MCU.TX (Signal flow: MCU.TX - FT232 - PC.RX)3. TXD: connect to MCU.RX (signal flow: PC.TX - FT232 - MCU.RX)4. 3V3/5V: output 3.3V or 5V (the module is powered by USB, the jumper cap must be jumped to 3.3V or 5V)5. RTS: connect to MCU.CTS (signal flow: PC.RTS - FT232 - MCU.CTS)6. CTS: connect to MCU.RTS (Signal flow: MCU.RTS - FT232 - PC.CTS)

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Product features:1. Adopts FT232BL chip with external EEPRON (93C46)2. Support Windows 103. Support 3 power supply modes: 5V external power supply, 3.3V external power supply, external power supply (requires 3.3V-5V)4. With 3 LEDs: TXD LED, RXD LED, POWER LED5. GND, RXD, TXD, 3V3, 5V: using a curved pin pin out6. The rest of the function PIN: reserved pads CTS, RTSInstructions for use: (to access the MCU as an example)1. GND: connected to GND2. RXD: connect to MCU.TX (Signal flow: MCU.TX - FT232 - PC.RX)3. TXD: connect to MCU.RX (signal flow: PC.TX - FT232 - MCU.RX)4. 3V3/5V: output 3.3V or 5V (the module is powered by USB, the jumper cap must be jumped to 3.3V or 5V)5. RTS: connect to MCU.CTS (signal flow: PC.RTS - FT232 - MCU.CTS)6. CTS: connect to MCU.RTS (Signal flow: MCU.RTS - FT232 - PC.CTS)

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1. The input terminal has a MICRO USB female socket, you can directly use the mobile phone charger as an input to charge the lithium battery, and there are still input voltage wiring solder joints, which can be very convenient for DIY2. Power supply voltage: 5v3. Power supply current: 1A4. Purpose: Electric toys5. Charging cut-off voltage: 4.2v6. Large charging current: 1000mA7. Battery over-discharge protection voltage: 2.5v8. Battery overcurrent protection current: 3A9. Board size: 2.6x1.7cm10. Note: The load on the OUT terminal should be disconnected when charging, and the positive and negative poles should not be connected wrongly. Please use it according to the specifications, otherwise it will be directly damaged.

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1. Features: Higher copper content, good heat dissipation performance, strong current stability2. Manufacturing process: SMT placement machine manufacturing, non-manual welding, higher yield rate, more stable performanceRemarks:1. A single-head printer requires 4 A4988 modules.2. A set of dual-nozzle printer requires 5 A4988 modules.4. Delivery list: A4988 module x 1, heat sink aluminum sheet x 15. Matters needing attention: Please do not plug and unplug the motor and drive when the power is on, which will easily cause the drive to burn out; also do not adjust the current when the motor is running. The correct way is to first disconnect the power supply, unplug the motor, and then power on again, adjust the potentiometer, and measure the voltage on the potentiometer until the measured voltage is the same as expected. Do not plug in the reverse drive, otherwise it will burn out the drive and even the motherboard

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1. Material: Aluminum alloy shell2. Power supply voltage: DC12-28V3. Power: 100W4. Input: DC+TYPE-C dual port input5. Support fast charge protocol: PD2.0 PD3.0 PPS, For Qualcomm QC4+/QC3.0, For Huawei SCP/FCP, For OPPO VOOC, For OnePlus DASH, For iOS 2.4A, For Samsung AFC, For VIVO 9V 2A dual engine, For MediaTek PE2.06. Features:Exquisite and small, the digital tube displays the current and voltage, can switch the display content intelligently, and has strong compatibility. After the fast charge protocol is activated, the digital tube will display the output fast charge protocol type.7. Weight: About 60 grams8. Size: About 5.3x4.6x2.1 cmInstructions for use:1. Withstand voltage within 32V, it is recommended to use within 28V. This module is a pure step-down module and has no boost function. If you want to use 20V output, you must use a DC power supply above 21V; low voltage can reach 6V, but 6V is mostly fast the charge will not be activated, and the output power of 100W can only be reached when the PD is output (PD20V, 5A)2. For low-voltage and high-current fast charging, please use the original data cable. If you want to measure the charging voltage and current, you must use a low-resistance USB meter, otherwise the charging current will be affected.3. OPPO and OnePlus mobile phones must use USB port for charging, QC4+/QC4.0/PD3.0 and other protocols must use TYPE-C port4. When the USB port and TYPE-C port are plugged into the mobile phone at the same time, both ports are 5V output

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Overview1. The PCF8563 RTC Board provides the real-time clock/calendar function, which can be driven by a battery on board and works independently even when the MCU is turned off.2. The PCF8563 RTC Board features I2C pinheader on one side, and I2C connector on the opposite side. Hence, its more flexible to connect the board to your development system. The board also supports I2C cascading, allowing the use of multi module connected to the I2C bus at the same time by connecting the pinheader and connector.FeaturesPCF8563, I2C pinheader, I2C connector, 3.3V battery included

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