Consumer Electronics

1. SPI interface, requires minimum GPIO for controlling 2. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32) 7. Driver: ST7735S 8. Resolution: 160x128 9. Color display: RGB, 65k colors 10. Operating voltage: 3.3 v 11. Backlight: LED

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1. 128x128 high resolution 2. 16 gray scale, better display effect 3. Supports SPI or I2C interface, configured via onboard resistor 4. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32) 5. Driver: SSD1327 6. Interface: SPI / I2C 7. Display color: White 8. Gray scale: 16 9. Resolution: 128x128 (most other competitive products are typically 128x64) 10. Viewing angle: >160?° 11. Operating voltage: 3.3V / 5V 12. Dimension: 44.5 x 37 (mm)

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1. 800x480 hardware resolution, configurable by software (up to 1920x1080) 2. Supports popular mini PCs such as Raspberry Pi, BB Black, Banana Pi, as well as general desktop computers - When works with Raspberry Pi, supports Raspbian, Ubuntu, WIN10 IOT, single touch, and driver free - When work as a computer monitor, supports Windows 10/8.1/8/7, single touch, and driver free 3. Supports popular game consoles like Microsoft XBOX360, Sony PS4, and Nintendo Switch, etc. 4. Multi languages OSD menu, for power management, brightness/contrast adjustment, etc. 5. 3.5mm audio jack, speaker connector, supports HDMI audio output 6. Also supports VGA input (specific cable is required and should be purchased separately)

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1. 800x480 hardware resolution, configurable by software (up to 1920x1080) 2. Supports popular mini PCs such as Raspberry Pi, BB Black, Banana Pi, as well as general desktop computers - When works with Raspberry Pi, supports Raspbian, Ubuntu, WIN10 IOT, single touch, and driver free - When work as a computer monitor, supports Windows 10/8.1/8/7, single touch, and driver free 3. Supports popular game consoles like Microsoft XBOX360, Sony PS4, and Nintendo Switch, etc. 4. Multi languages OSD menu, for power management, brightness/contrast adjustment, etc. 5. 3.5mm audio jack, speaker connector, supports HDMI audio output 6. Also supports VGA input (specific cable is required and should be purchased separately)

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1. micro:bit edge connector, directly pluggable 2. Embedded driver ST7735S, supports 65K colors 3. Onboard SRAM 23LC1024, used as display cache, no more out of memory 4. SPI interface, takes up only a few IO pins 5. Backlight adjustment via PWM 6. Reserved solder pads for control interface, make it easy to connect with Arduino/Nucleo boards 7. Driver: ST7735S 8. Resolution: 160x128 9. Color display: RGB, 65k colors 10. Operating voltage: 3.3 v 11. Dimension: 61 x 51.5mm

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1. 128x128 high resolution, 65K colors, clearly displays colorful images 2. Supports 4-wire SPI OR 3-wire SPI interface, configured via onboard resistor 3. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32) 7. Driver: SSD1351 8. Interface: 4-wire SPI, 3-wire SPI 9. Display color: RGB, 65K colors 10. Resolution: 128x128 11. Viewing angle: >160?° 12. Operating voltage: 3.3V / 5V 13. Dimension: 44.5 x 37 (mm)

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Main Features: 1. Working voltage: 5V 2. Can drive common cathode Dot matrix module 3. With input and output port, supports several module cascade 4. MAX7219 is an integrating serial input / output common cathode display driver, it connects microprocessor to 8-digit or 7-digit LED display, bar graph display and 64 red LED

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Hardware Specifications 1. Chipset: ESPRESSIF-ESP32 240MHz Xtensa single-/dual-core 32-bit LX6 microprocessor 2. FLASH: QSPI flash 4MB 3. SRAM: 520 kB SRAM 4. Button: Reset 5. USB to TTL: CP2104 6. Modular interface: UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, ADC, DACLNA pre-amplifier 7. Display: IPS ST7789V 1.14 Inch 8. Working voltage: 2.7V-4.2V 9. Working current: About 67MA 10. Sleep current: About 350uA 11. Working temperature range: -40 degree C~ +85 degree C 12. Size: 51.52x25.04x8.54mm 13. Weight: 7.81g Power Supply Specifications 1. Power Supply: USB 5V/1A 2. Charging current: 500mA 3. Battery: 3.7V lithium battery 4. JST Connector: 2Pin 1.25mm 5. USB: Type-C Wi-Fi 1. Standard: FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC esp32chip 2. Protocol: 802.11 b/g/n(802.11n, speed up to150Mbps)A-MPDU and A-MSDU polymerization, support 0.4uS Protection interval 3. Frequency range: 2.4GHz~2.5GHz(2400M~2483.5M) 4. Transmit Power: 22dBm 5. Communication distance: 300m Bluetooth 1. Protocol: Meet bluetooth v4.2BR/EDR and BLE standard 2. Radio frequency: With -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH 3. Audio frequency: CVSD&SBC audio frequency Software specification 1. Wi-Fi Mode: Station/SoftAP/SoftAP+Station/P2P 2. Security mechanism: WPA/WPA2/WPA2-Enterprise/WPS 3. Encryption Type: AES/RSA/ECC/SHA 4. Firmware upgrade: UART download/OTA (Through network/host to download and write firmware) 5. Software Development: Support cloud server development / SDK for user firmware development 6. Networking protocol: IPv4, IPv6, SSL, TCP, UDP, HTTP, FTP, MQTT 7. User Configuration: AT + Instruction set, cloud server, android/iOSapp 8. OS: FreeRTOS

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1. CM4 socket: Suitable for all variants of Compute Module 4 2. Ethernet: Dual Gigabit Ethernet RJ45 3. USB: USB 3.2 Gen1 x 3 4. PIN header: 40PIN GPIO header x 1 5. HD media interface: HD-MI x 2, supports 4K 30fps output 6. DSI display: MIPI DSI display port x 1, 15pin 1.0mm FPC connector 7. CSI camera: MIPI CSI-2 camera port x 2, 15pin 1.0mm FPC connector 8. Power input: 7V-36V 9. FAN: 5V/12V, allows speed adjustment and measurement 10. RTC: Real-time clock with battery socket and ability to wake Compute Module 4 11. SD card slot: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants

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1. POE: Integrates 802.3af-compliant PoE circuit (5V/2.5A) 2. USB: USB 2.0 x 4 3. GPIO: Raspberry Pi 40 PIN GPIO x 1 4. Header: - RS485 x 1 - RS232 x 1 - PCIe Gen 2 x 1 5. HD media interface: HDMI x 2, supports 4K 30fps output 6. DSI display: MIPI DSI x 2 (15pin 1.0mm FPC) 7. CSI camera: MIPI CSI-2 x 2 (15pin 1.0mm FPC) 8. Power input: 5V 9. FAN: 5V / 12V (Allows speed adjustment and measurement) 10. RTC: Real-time clock with battery socket and ability to wake Compute Module 4 11. RJ45 Ethernet: Gigabit Ethernet 12. CM4 slot: Suitable for all variants of Compute Module 4 13. SD card slot: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants 14. Size: 124.50 x 108.80mm

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Features1. 480 x 320 resolution, IPS screen, 65K colors, clear and colorful displaying effect 2. Dedicated touch controller, bringing more smooth touching effect than AD-controlled solutions 3. MicroSD card slot for storing images and direct displaying them easily 4. Programmable backlight control, power saving 5. Come with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)Specification1. Operating voltage: 5V 2. Resolution: 480x320 pixels 3. Display color: 65K colorful 4. Communication interface: SPI 5. Display panel: IPS 6. Display size: 73.44 x 48.96 mm 7. Pixel size: 0.153 x 0.153 mm 8. Controller: ILI9488 9. Size: 86.00 x 57.20 mmPackage List1. Pico-ResTouch-LCD-3.5 x1 2. Standoffs pack x1

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Features1. 128 x 128 resolution, 65K RGB colors, clear and colorful displaying effect 2. SPI interface, requires minimal IO pins 3. 4x user buttons for easy interacting 4. Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)Specification1. Operating voltage: 3.15V ~ 5V 2. Communication Interface: 4-wire SPI 3. Resolution: 128 x 128 pixels 4. Display color: 65K colorful 5. Communication BUS: SPI 6. Display panel: TFT 7. Display size: 25.50 x 26.50 mm 8. Pixel size: 0.20 x 0.20 mm 9. Driver: ST7735S 10. Size: 52.0 x 30.0 mm

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Features1. 320x240 resolution, IPS screen, 262K colors, clear and colorful displaying effect 2. Dedicated touch controller, bringing more smooth touching effect than AD-controlled solutions 3. MicroSD card slot for storing images and direct displaying them easily 4. Programmable backlight control, power saving 5. Come with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)Specification1. Operating voltage: 5V 2. Resolution: 320x240 pixels 3. Display color: 265K colorful 4. Communication interface: SPI 5. Display panel: IPS 6. Display size: 57.60 x 43.20 mm 7. Pixel size: 0.18x 0.18 mm 8. Driver: ST7789 9. Touch Controller: XPT2046 10. Size: 70.20 x 50.20 mmPackage List1. Pico-ResTouch-LCD-2.8 x1 2. Standoffs pack x1

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This is 433Mhz RF transmitter with receiver kit for Arduino ARM MCU wirelessApplication environmentRemote control switch, receiver module, motorcycles, automobile anti-theft products, home security products, electric doors, shutter doors, windows, remote control socket, remote control LED, remote audio remote control electric doors, garage door remote control, remote control retractable doors, remote volume gate, pan doors, remote control door opener, door closing device control system, remote control curtains, alarm host, alarm, remote control motorcycle remote control electric cars, remote control MP3.SpecificationReceiver module: 1. Product Model: XD-RF-5V2. Operating voltage: DC5V3. Quiescent Current: 4MA4. Receiving frequency: 433.92MHZ5. Receiver sensitivity: -105DB6. Size: 30x14x7mmTransmitter:Technical parameters1. Product Model: XD-FST4. Launch distance: 20-200 meters (different voltage, different results)3. Operating voltage: 3.5-12V4. Dimensions: 19 * 19mm8. Operating mode: AM6. Transfer rate: 4KB / S7. Transmitting power: 10mW8. Transmitting frequency: 433M9. Pinout from left to right: (DATA; VCC; GND)Package included1. 1 x Receiver module2. 1 x Transmitter

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1. This is a plant watering alarm - as simple as that. You put it into the soil near a plant and it emits a tiny chirp when the soil is dry, reminding you to water the plant. It uses capacitive humidity sensing as opposed to resistive humidity sensing, this means, it does not make an electric contact with the soil, avoiding electrode corrosion and soil electrolysis and resulting in better accuracy and longer battery life.2. Special care has been taken not to make it yet another source of annoyance - This sensor will be silent when it’s dark and will restrict itself from making too much noise.3. The alarm level can be set for each plant individually. As water is consumed by the plant, it will detect the low moisture level and will start to emit rare short chirps. As more water evaporates, it will increase the alarm rate. This sensor can detect if it’s day or night by measuring the amount of ambient light and will not make noise when it’s dark.4. Package included: 1 x Plant Watering Alarm Sensor

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Application:BatteryInput voltage:4.5V-5.5VFull charge voltage:4.2V1. Supply current: 1A2. Application area: Smart home3. Charging method: linear charging 1%4. Charging current: 1A adjustable5. Charging accuracy: 1.5%6. Charging indication: Red light charging green light full charge7. Input interface: Micro USB8. Operating temperature: -10 ° C to +85 ° C9. Can reverse connection: can not reverse10. Weight: 10g11. Peripheral size: 24*17*4mm

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Type:Voltage RegulatorModel Number:3S 25A 186501. Supply current: 25A2. Power supply voltage: 12v3. Power: Standard4. Number of pins: 05. Use: Instrument6. Package: 3 strings of 12v25a7. Rated voltage: 12.6v8. Size: 56*45*4.0mm

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Type:Voltage Regulator1. Package: Step-down module2. Power: Standard3. Size: 20*11*5 mm4. Input voltage: DC 4.5-24V5. Output voltage: integrated adjustable and fixed output, fixed output voltage on the back6. Adjustable range (0.8-17V), fixed voltage (1.8V 2.5V 3.3V 5V 9V 12V)7. Output current: maximum 3A (please pay attention to heat dissipation at full load), the actual test input 12V output within 1.5A without special treatment heat dissipation.8. Conversion efficiency: up to 97.5% (6.5 to 5V 0.7A)9. Switching frequency: 500KHz10. Output ripple: 20mV (12V to 5V3A) 20M bandwidth11. Wiring method: welding12. Input method: welding13. Output method: welding / pin header14. Welding hole spacing: 2.54 mm15. Output over voltage protection: none16. Full load temperature rise: 40 ° C17. Quiescent current: 0.85 mA18. Load adjustment rate: ±1%19. Voltage regulation rate: ±0.5%20. Dynamic response speed: 5% 200uS

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1. Operating voltage range: DC voltage 5-20V2. Static current: <65uA3. Level output: 3.3 V high / low 0V4. Trigger mode: L non-repeatable trigger / H repeat trigger (default repeat trigger)5. Delay time: 0.5-200S (adjustable) can be made in the range of a few seconds - tens of minutes6. Blocking time: 0.2S can be made in the range of a few seconds - tens of seconds7. Circuit board dimensions: 32mm*24mm8. Sensing range: <120 degree cone angle, in 7m9. Working temperature: -15-+70 degrees10. Induction lens size: diameter: 23mm

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How to charge the battery: 1. Determine the float voltage and charging current of the rechargeable battery, the input voltage of the module;2. Adjust the constant voltage positioner and adjust the output voltage to about 5V.3. Use the multimeter 10A current block to measure the output short-circuit current, and adjust the constant current potentiometer to make the output current reach the predetermined charging current value;4. The charge-to-light current is shipped by default at 0.1 times the charge current (constant current value).5. Adjust the constant voltage position device to make the output voltage reach the float voltage; connect the battery and try to charge.(1, 2, 3, 4, 5 steps are the module input power supply, the output is not connected to the battery.)LED constant current drive How to use:1. Determine the operating current and maximum operating voltage at which you need to drive the LEDs;2. Adjust the constant voltage positioner and adjust the output voltage to about 5V.3. Use the multimeter 10A current block to measure the output short-circuit current, and adjust the constant current potentiometer to make the output current reach the predetermined LED operating current;4. Adjust the constant voltage positioner to make the output voltage reach the maximum working voltage of the LED;5. Connect the LED and test the machine. (1, 2, 3, 4 steps are connected to the power supply of the module, and the output is not connected to the LED light.)Description of the communication protocol:1. This module has the function of communicating with the computer, which can facilitate the computer to read the module current and voltage data. 2. Since the output of this module is TTL level, it is necessary to realize communication with the computer, and also convert this level back to the RS232 which can be recognized by the computer. Level, you need to use this cp2102 usb to TTL module to achieve conversion.3. The communication protocol is as follows: Baud rate: 9600 Bps- BB CC ADDR 00 XX XX CRC (current return command)- BB CC ADDR 01 XX XX CRC (voltage return command)- Where BB CC is the frame header (2 bytes)- ADDR is the module address (1 byte)- 00 is the read current command (1 byte)- 01 is the read voltage command (1 byte)- XX XX any value (2 bytes)- CRC CRC check (1 byte)Instrument properties:1. Refresh rate: About 200ms once2. Display mode: Double four-digit 0.28'' digital tube3. Measurement Accuracy: 0.1%4. Current range: 0-5A, voltage range 5V-30V5. Working current: Less than 15mA6. Display color: Red7. Input impedance: 50 milliohms8. Storage temperature: -10 degrees Celsius to 50 degrees Celsius9. Product size: 51mm x 26.3 mm x 10mm

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1. Size: 38mm (length) X22mm (width) X14mm (height)2. Weight: 8g3. Working voltage: 3.3--5.5V4. Clock chip: High-precision clock chip DS32315. Clock accuracy: Within 0-40 degree C, accuracy 2ppm, annual error about 1 minute6. With 2 calendar alarm clocks7. Programmable square wave output8. Real-time clock generates seconds, minutes, hours, week, date, month and year time, and provides leap year compensation valid to 2100 years9. The temperature sensor inside the chip has an accuracy of +/- 3 degree C10. Memory chip: AT24C32 (storage capacity 32K)11. IIC bus interface, high transmission speed 400KHz (when working voltage is 5V)12. Can cascade other IIC devices, 24C32 address can be modified by short circuit A0 / A1 / A2, the default address is 0x5713. With rechargeable battery LIR2032 to ensure that the clock still runs normally after the system is powered off14. Packing: Single anti-static packaging15. Wiring instructions (taking Arduino uno r3 as an example):SCL -- A5SDA -- A4VCC -- 5VGND -- GND16. DS3231 is a low-cost, high-precision I2C real-time clock (RTC) with integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device contains a battery input, which can maintain accurate timing when the main power is disconnected. The integrated crystal oscillator improves the long-term accuracy of the device and reduces the number of components in the production line. The DS3231 offers commercial and industrial temperature ranges and is available in a 16-pin 300mil SO package.17. RTC saves seconds, minutes, hours, day, date, month and year information. Months less than 31 days will automatically adjust the end of the month, including corrections for leap years. The working format of the clock can be 24 hours or a 12-hour format with / AM / PM indication. Provide two configurable calendar alarms and a configurable square wave output. The address and data are transferred serially via the I2C bidirectional bus.Sophisticated, temperature-compensated voltage reference and comparator circuits are used to monitor VCC status, detect power failures, provide reset outputs, and automatically switch to backup power when necessary. In addition, the / RST monitor pin can be used as a manual input to generate a μP reset.18. In addition to high timing accuracy, the DS3231 also has some other functions that expand the additional functions and selection range of the system host. The device integrates a very accurate digital temperature sensor, which can be accessed through the I2C * interface (just like time). The accuracy of this temperature sensor is +/- 3 degree C. The on-chip control circuit can realize automatic power supply detection and manage the power supply switching between the main power supply and the backup power supply (that is, the low-voltage battery). If the main power supply is powered down, the device can continue to provide accurate timing and temperature without affecting performance. When the main power supply is re-energized or the voltage value returns to the allowable range, the on-chip reset function can be used to restart the system microprocessor.

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Product manual：1. Through-beam photoelectric switch (IRSW20B) is a customizable USB button.It is equivalent to a standard HID USB keyboard and mouse. The switch function can be customized to any key,combination, mouse or character string through the supporting software settings. After the definition is completed, no software is required during use.2. Products are widely used in printers, copiers, game consoles, factory inspections, instrument control, equipment, etc. as well as mobile monitoring, proximity switch monitoring and occasions where it is not convenient to use mechanical switches to improve efficiency.3. The switch adopts a through-beam photoelectric trigger mode. The infrared emitting tube in the device emits infrared light. If there is an object in the middle of the groove, the receiving sensor will trigger the corresponding key value if the infrared light is not detected.4. Provides button definition setting software based on Windows system. After setting, you can use it in the following systems: Dos, Win 2000, Win XP, Win vista, Win 7, Win 8, Win10, Linux, Mac, Android.5. Scope of application: office, game, industry, disabled personFunction Description：1. Keyboard function: It can be set to any key value or key combination, for example, to key value A or CTRL+A.2. Mouse function: It can be set to the left, middle, right, forward and backward keys of the mouse, the movement of the X and Y axes, and the up and down scrolling functions of the wheel.3. String printing: You can set up to 38 characters, for example, set "hello!".4. Multimedia function: It can be set as previous song, next song, volume up, volume down and other multimedia control functions.5. Gamepad function: It can be set as up, down, left and right four direction keys and 6 function keys.When you want to change the function of the button, you can use the FootSwitch software to modify the button function:1. Insert the device into the computer USB port2. Run the software FootSwitch3. Click to select the corresponding setting window4. Click or enter the function you want to set5. Click Save to confirm.6. The setting software only supports Windows system. The FootSwitch software is often upgraded. Please follow the latest version.Product specifications:1. Product model: IRSW20B2. Interface type: USB3. Power supply: 5V30mA4. USB cable length: 2 meters (the cable length can be customized)5. Product weight: about 65 gramsOutline dimension drawing and installation hole position drawing as show pictures

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Main Features: 1. Working current: DC 3.3V / 13 - 26mA 2. Idle current: DC 3.3V / 10 - 13mA 3. Sleep current: < 80uA 4. Peak current: < 30mA 5. Working frequency: 13.56MHz 6. Supports card: Mifare1 S50, mifare1 S70, mifare Ultralight, mifare Pro, mifare Desfare 7. Application: Various electronic products and DIY projects

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1. Easy and convenient to use 2. Mini size, convenient to carry 3. Type: Infrared Intelligent Car Obstacle Avoidance Sensor

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1. Type: Sensor Module 2. Easy and convenient to use 3. Mainly Compatible with: Ardunio

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1. Type: Reed Sensor Board 2. Material: PCB 3. Mainly Compatible with: Ardunio 4. Reed Sensor Board for Doors / Window Magnetics / Electromagnetic Relays / Electronic Weighing 5. Easy and convenient to use

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g Heat sink parameters: 1. Material: aluminum 2. Size: 50x50x82mm 3. Hole distance: 48mm 4. Product weight: 61g

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g Heat sink parameters: 1. Material: aluminum 2. Size: 50x50x82mm 3. Hole distance: 48mm 4. Product weight: 61g

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g Heat sink parameters: 1. Material: aluminum 2. Size: 50x50x82mm 3. Hole distance: 48mm 4. Product weight: 61g

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g Heat sink parameters: 1. Material: aluminum 2. Size: 50x50x82mm 3. Hole distance: 48mm 4. Product weight: 61g

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g Heat sink parameters: 1. Material: aluminum 2. Size: 50x50x82mm 3. Hole distance: 48mm 4. Product weight: 61g

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1. In resistance tester circuit, it is necessary to adjust the potentiometer to balance the resistance tester. Under the influence of temperature, humidity and vibration impact, the position and specifications of the potentiometer will be changed when being used, the system index is also changed. Therefore, to make the system back to the original state it needs to be adjusted, and digital potentiometer module can just solve this problem.2. The digital potentiometer changes in steps or incrementally, and the resistance is of linear change. For example, the resistance range of X9C104 is 40R~1000k, divided into 100 steps, so each increment is 1010R.3. With temperature compensation function: the resistance deviation between endpoints is +/-20%;4. Sliding end data can be kept for a long time, about 100 years;5. With 1% high resistance resolution;6. Working voltage: 5V;7. Total resistance: 100kΩ;8. End voltage: -5~5V;9. Tap number: 100;10. Interface: CS, U/D, INC;11. Resistance increase mode: Linear change;12. Working current: 3mA;13. Package temperature: 8SOIC/-40~85 C;14. Taps will automatically store data when being off.15. Package included: 1 x X9C104 Digital Potentiometer Module

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This driver uses Infineon chips BTS7960 composed of high-power drive full H-bridge driver module with thermal over-current protection. Double BTS7960 H-bridge driver circuit, with a strong drive and braking, effectively isolating the microcontroller and motor driver! High-current 43ASpecification1. Double BTS7960 large current (43 A) H bridge driver;2. 5V isolate with MCU, and effectively protect MCU;3. 5V power indicator on board;4. Voltage indication of motor driver output end;5. Can solder heat sink;6. Just need four lines from MCU to driver module (GND. 5V. PWM1. PWM2);7. Isolation chip 5 V power supply (can share with MCU 5 V);8. Able to reverse the motor forward, two PWM input frequency up to 25kHZ;9. Two heat flow passing through an error signal output;10. Isolated chip 5V power supply (can be shared with the MCU 5V), can also use the on-board 5V supply;11. The supply voltage 5.5V to 27V12. Size: 5.5 * 5 * 4 cm;13. Material: FR414. Other Features: A product for Arduino that works with official Arduino boards.15. Weight: 70g 16. Packing List: 1 * Stepper Motor Driver

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Features1. Ultra-small 802.11b/g/n Wi-Fi + BT/BLE SoC module2. Low-power dual-core 32-bit CPU for application processors3. Up to 240MHz, up to 600 DMIPS4. Built-in 520 KB SRAM, external 4M PSRAM5. Supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC6. Support OV2640 and OV7670 cameras with built-in flash7. Support for images WiFI upload8. Support TF card9. Support multiple sleep modes10. Embedded Lwip and FreeRTOS11. Support STA/AP/STA+AP working mode12. Support Smart Config/AirKiss One-click distribution network13. Support for serial local upgrade and remote firmware upgrade (FOTA)14. The ESP32-CAM has a very competitive small-size camera module that can operate independently as a minimum system, measuring only 27*40.5*4.5mm, with deep sleep current and a minimum of 6mA.15. ESP-32CAM can be widely used in various IoT applications. It is suitable for home smart devices, industrial wireless control, wireless monitoring, QR wireless identification, wireless positioning system signals and other IoT applications. It is an ideal solution for IoT applications.16. ESP-32CAM is packaged in DIP and can be directly plugged into the backplane for quick production. It provides customers with a highly reliable connection method and is convenient for use in various IoT hardware terminals.17. This product contains the OV2640 Camera Module.Specifications1. Material: FR42. Dimensions: 4 cm x 2.7cm x 0.5 cm3. Weight: 18g4. Module model: ESP32-CAM5. SPI Flash: Default 32Mbit6. RAM: internal520KB+external 4M PSRAM7. Bluetooth: Bluetooth 4.2 BR/EDR and BLE standards8. Wi-Fi: 802.11 b/g/n/e/i9. Support interface: UART, SPI, I2C, PWM10. Support TF card: Maximum support 4G11. IO port: 912. Serial port rate: Default 115200 bps13. Image output format: JPEG (only supported by OV2640), BMP, GRAYSCALE14. Spectrum range: 2412 ~ 2484MHz15. Antenna form: Onboard PCB antenna , gain 2dBi16. Transmit power: 802.11b: 17+/-2 dBm (@11Mbps), 802.11g: 14+/-2 dBm (@54Mbps), 802.11n: 13+/-2 dBm (@MCS7)17. Receiving sensitivity: CCK, 1 Mbps : -90dBm, CK, 11 Mbps: -85dBm, 6 Mbps (1/2 BPSK): -88dBm, 54 Mbps (3/4 64-QAM): -70dBm, MCS7 (65 Mbps, 72.2 Mbps): -67dBm18. Power consumption: Turn off the flash: 180mA@5V19. Turn on the flash and adjust the brightness to the maximum: 310mA@5V20. Deep-sleep: The lowest power consumption can reach 6mA@5V21. Moderm-sleep: Up to 20mA@5V22. Light-sleep: Up to 6.7mA@5V23. Security: WPA/WPA2/WPA2-Enterprise/WPS24. Power supply range: 5V25. Operating temperature: -20 degree C ~ 85 degree C26. Storage environment: -40 degree C ~ 90 degree C, < 90%RH27. Package Included:- 1 x ESP32-CAM Module- 1 x Camera Module OV2640 2MPESP32-CAM Picture Output Format Rate: QQVGA QVGA VGA SVGAJPEG 6 7 7 8BMP 9 9 - -GRAYSCALE 9 8 - -Test environment: camera model: OV2640 XCLK: 20MHz, the module transmits pictures to the computer browser by WiFi.

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Type:Voltage Regulator1. Packaging Electrostatic bag2. It use the same as official R3 board3. Use: Instrument4. Power supply voltage: 5v~9v5. Output voltage: 5V DC voltage output and 3.3V DC voltage output6. Plug in the development board, the driver will be installed automatically7. Select the board in die8. Select the COM port, this can be queried in my computer, just the port inside your development board9. It is best to choose the program that comes with it, PROGRAMMER it in.10. Added pin header, easy to use

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Type:Voltage Regulator1. Packaging Electrostatic bag2. It use the same as official R3 board3. Use: Instrument4. Power supply voltage: 5v~9v5. Output voltage: 5V DC voltage output and 3.3V DC voltage output6. Plug in the development board, the driver will be installed automatically7. Select the board in die8. Select the COM port, this can be queried in my computer, just the port inside your development board9. It is best to choose the program that comes with it, PROGRAMMER it in.10. Added pin header, easy to use

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Type:Voltage Regulator1. Packaging Electrostatic bag2. It use the same as official R3 board3. Use: Instrument4. Power supply voltage: 5v~9v5. Output voltage: 5V DC voltage output and 3.3V DC voltage output6. Plug in the development board, the driver will be installed automatically7. Select the board in die8. Select the COM port, this can be queried in my computer, just the port inside your development board9. It is best to choose the program that comes with it, PROGRAMMER it in.10. Added pin header, easy to use

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Electrical characteristics1. The maximum output current: 2 a2. The input voltage: 2 v ~ 24 v3. The maximum output voltage: 28 v4. Efficiency: ＞93%Mechanical propertiesProduct size: 36 mm X 17 mm X 14 mmMethod of useThe module of the IN+ and - after 2~24v, IN adjusting the potentiometer can adjust output voltage, output voltage is greater than the input voltageMatters needing attention1. The input voltage should not exceed the maximum input voltage2. The peak current output current is no more than TV university

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Features1. Supports NVIDIA Jetson Nano Developer Kit2. 8 Megapixels3. Sensor: IMX2194. Resolution: 3280 × 24645. Lens specifications:- CMOS size: 1/4inch- Aperture (F): 2.2- Focal Length: 1.88mm- Angle of View (diagonal): 120 degree- Distortion: <13.6%- Lens dimensions: 6.5mm x 6.5mm6. 4 screw holes7. Used for attachment8. Provide 3.3V power output9. Dimension: 25mm x 24mm10. Weight: 12gPacking List:1. IMX219-120 Camera x12. 15-pin FFC (opposite sides contact) x1

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1. Dimensions: 35x16.6x2.5 mm2. Upper limit working current: 3A3. Upper limit instantaneous current: 5A4. Overcharge voltage range: 4.28V +/- 0.05V5. Over discharge voltage range: 2.9V +/- 0.05V6. Quiescent current: less than 3uA7. Charging voltage: 8.4-9V8. Short circuit protection: protectable, delayed self-recovery9. Lithium battery protection board cannot be used for lithium iron phosphate battery, hernia lamp, hand drill battery pack. Electric fish machine battery pack. Please pay attention to the electric bicycle battery pack, children's car battery, 550 or more power motor, 1W fisheye LED, etc., for the above combination purchase10. The described power range is applicable to the following products: massager battery pack, LED lamp backup power supply, 12V electronic products, solar street lamp battery pack, monitoring backup power supply and other products.

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1. Power supply current: 0-20mA2. Power supply voltage: 0-10V3. Power supply voltage: 7-36V4. Packaging: Static Bag5. Features: Wide supply voltage range, support multiple ranges, high stability, good linearity, high-precision color ring resistance, high accuracy, low temperature drift, high power

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1. Working voltage: 5 ～ 12V2. Board size: 29 (mm) x12 (mm)3. Chip: NE555 chip on board4. Resistance: adjustable5. Packing: static bag

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