DIY Parts & Components
Waveshare 25334 For Jetson Orin Aluminum Alloy Case With Camera Holder
1. For Jetson Orin Nano and Jetson Orin NX kits2. Reserve air outlets on three sides and a dedicated built-in fan hole on the top to provide excellent heat dissipation.3. Precise opening design, exquisite manufacturing technology, and beautiful fit4. Onboard power indicator light5. Camera bracket design, mounting holes for monocular or binocular cameras, maximum 180-degree rolling angle6. Equipped with flat ribbon cable for use with 40PIN connector7. Silicone non-slip feet, more stable placement and reduced bottom contact area8. DIN rail mounting holes are reserved to facilitate installation in specific scenarios.9. Product size: 122 x 95 x 91mm10. Weight: 378kgpacking list:-Aluminum body shell (upper and lower + side panels) x 1-Camera stand bottom mount x 1-Camera stand top mount x 1-Antenna x 2-IPEX4 to SMA cable x 2-Button with 4PIN cable x 1-Cable 2x20PIN 55mm x 1-Screwdriver x 1-Screw pack and accessories x 1
$26.82
12V 2CH 200m RF Wireless Remote Control System Control + Switch Transmitter
1. These units can be used for starting and stopping, or the connection and break of devices and electrical machinery. The product could also achieve the requirements of various kinds of special control procedures. 2. Each device connected will need to be powered by its own power source (there is no voltage output from the switch, it only acts as a connecter/dis-connecter for an existing live circuit). 3. If using a 24V device it can be wired in parallel with the switch power supply. Ideal use in 1. Vehicle central locking systems 2. Garage doors 3. Electronic gates 4. TV, Motors, Fans, Cameras, Video Signals, Audio Signals, RC applications, Electric 5. Doors/ Locks/ Windows/ Curtains and more 6. Lightweight and portable 7. Easy to install and use
$16.43
TTGO Black PVC Case for TTGO T-Camera ESP32 WROVER & PSRAM Module
1. Compact, lightweight, and durable PVC material can effectively protect your camera module. 2. Provides powerful protection against dust, scratches and damage to the camera module. 3. The back of the case is also equipped with a small rope hole for easy carrying. 4. At the same time, a microphone wiring port is reserved on the protective case. 5. Package list: - Black PVC Case x 1 - Screw x 4
$10.35
ZK-502M Stereo Bluetooth Digital Power Amplifier Motherboard
1. Audio source input: Bluetooth + AUX + U disk + computer USB (plug and play)2. Adapter power supply: DC5-24V (high voltage is recommended for high power)3. Output power: 50Wx24. Adapted speakers: 10-100W, 4-8 ohms5. Number of channels: Left and right dual channels (stereo)6. Bluetooth version: 5.07. Transmission distance: More than 15 meters, no obstruction8. Bluetooth name: Wuzhi Audio9. Protection mechanism: Overheating, overcurrent, short circuit protection10. Power supply voltage:-12V: 8 ohms / 12W + 12W, 4 ohms / 20W + 20W-15V: 8 ohms/1 8W+ 18W, 4 ohms/30W+30W-19V: 8 ohms/30W+30W, 4 ohms/40W+40W-24V: 8 ohms/40W+40W, 4 ohms/50W+50W11. Size: About 6x6x2.9 cm12. Weight: About 96g (including packaging)13. Reminder: There will be enough output power only when the audio input is enough and the power supply/current is enough. 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 larger the horn ohms, the smaller the relative sound power
$12.88
D008BT Speaker Motherboard LCD Bluetooth Decoder Board U Disk Playback Amplifier Board
1. 12V power supply, power failure memory2. With bluetooth call and recording function, bluetooth version 5.03. Decode MP3, WMA, WAV, FLAC, APE lossless format music4. Read USB disk, support SD interface5. Support FM radio, frequency band (87.5MHZ-108.0MHZ)6. External audio input LINE IN 7. Support 10m distance infrared remote control operation8. Pushbuttons: six buttons for multi-directional control, REC / REPEAT / VOL- / AUTO / VOL+ / MODE9. Large remote control uses 2 x 7 batteries (not included), small remote control uses button batteries10. Dimensions: length 112 x width 62 mmKey operation details.1. REC: Press the REC button to start recording, press the REC button again to cancel the recording function and play the recording file; when recording than a storage device needs to be connected, e.g. U disk or TF card2. REPEAT: Press once for the single song loop function, then press again to cancel the single song loop and play in sequence3. FD-: switch to the previous folder, long press to fast back4. FD+: switch to the next folder, long press to fast forward5. AUTO button (play/pause): short press for play/pause in MP3; short press for play/pause in FM, long press for auto receive and save station; short press for play/pause in Bluetooth6. MODE button: switch between USB / SD card / FM / Audio input / Bluetooth function in sequence
$18.10
XY-T50L 12V Bluetooth 5.0 Audio Digital Class D Receiver Module With Amplifier
1. Adaptable power supply: DC5-26V/5A or more2. Bluetooth version: 5.03. Audio input: Bluetooth + AUX + U disk + USB sound card4. Volume adjustment: 360 degree infinitely adjustable encoder5. Audio output: Passive speaker + 3.5mm audio interface6. Output power: 50Wx27. Output filtering: filter-free8. Protection mechanism: static electricity, overcurrent, short circuit, overheating, etc.9. Heat dissipation method: heat sink + shell10. Applicable speakers: 4-8 Ohm 10-200W11. Large area heat sink with special heat-conducting silicone paste close to the shell of the auxiliary copper heat dissipation, heat dissipation area increased exponentially, to ensure the product full power high-performance operation12. Size: 84x65x25mm13. Weight: about 85g
$17.84
TDA7377 DIY Speaker Power Amplifier Module 12V Dual Channel Stereo 30Wx2 Car Power Amplifier Board
1. Pure black and gold plated circuit board, imported KEMET audio capacitors, high capacity filter capacitors per channel plus monolithic filter capacitors2. Pure black copper terminals, gold plated audio input terminals3. Protection: power input reversal protection, short circuit, over-current, overheating4. Power supply voltage: DC12-18V5. Input method: 3.5mm audio input6. Output power: 2 x 30W 4-8 ohm speakers7. Potentiometer knob opening: 7mm8. PCB size: 55.12x45.21mm9. Overall (including heat sink): 55.12x59.09x50mm10. Net weight: 80g
$15.52
ZK-LT21 Mini Bluetooth 5.1 Receiving Audio Module With Power Amplifier Digital D Stereo Dual Channel
1. Speaker impedance: 4-8 ohms2. Speaker power: 10-50W3. Input current: 3A4. Input voltage: 9-24V5. Function: Support Wuzhi Audio App6. Audio input: BT+AUX+USB+USB sound card7. Power output: 15W+15W+30W8. Number of channels: 2.19. Protection mechanism: overcurrent, overheating, short circuit, anti-static protection10. Dimensions: 76 x 60 x 22mm11. Weight: about 102G12. Note: 24V battery cannot be used for power supply, because the full voltage of the battery will be around 28V
$16.67
Waveshare UART TO ETH (B) TTL UART To Ethernet Mini Module
1. Basic function: realize the bi-directional transparent transmission function of serial port and Ethernet interface2. Ethernet: common network port3. Isolation protection: without isolation4. Serial port: TTL5. Power supply: DC 3.3V/5V6. Power supply method: row of pins / pads7. Application scenario: can be used as serial server, Modbus gateway, MQTT gateway, suitable for data acquisition, IoT gateway, security IoT and smart meter monitoring, etc.8. Size: about 34 x 23 x 11.5mmSerial port parameters:1. Baud rate: 300-115200bps2. Data bits: 5-9 bits3. Flow control: with flow controlSoftware:1. Protocol: ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS2. Configuration mode: host computer configuration, WEB browser, device management function library3. Communication mode: TCP/IP direct communication, virtual serial port mode4. Data transmission mode: TCP Server, TCP Client, UDP Group, UDP5. Modbus gateway: Modbus TCP to RTU6. Other functions: custom heartbeat packets/registration packets, custom web pages, etc.Features:1. Compact size, easy integration, low power consumption2. Can be quickly embedded into industrial, IoT and security and other areas of product applications3. Designed with postage stamp hole sinker process, highly integrated package, supports multiple ways to embed into various product applications4. Support a variety of communication modes, support TCP server / TCP client / UDP multicast / UDP mode5. Support Modbus gateway, suitable for Modbus network upgrade, can cooperate with 3D force control modal components6. Customized heartbeat packet and registration packet, convenient for communication and device identification with the cloud7. Support NTP protocol, get network time for serial output or for protocol content upload8. Support web page and upper computer configuration9. Pin out control pins, easy to embed or connect to user devices and various MCU master control devices10. With a variety of indicators, easy to view the working status of the module
$22.94
5 Position Key Switch Automatic Door Access Control
1. Process: aluminum panel surface brushed oxidation, silk screen printing2. Five functions: normally closed, automatic, one-way, semi-open, normally open3. Easy to install and maintain, weatherproof and dustproof, suitable for all automatic doors.4. High reliability, small footprint, good performance, better meet your needs.5. Equipped with 2 keys, you can insert and pull out the keys at each position, which brings you more convenience.6. Dimensions: 8 x 8cm
$36.13
Waveshare 25515 Round 2D Codes Scanner Module Barcode/QR Code Reader, With LED Indicator
Features:1. Suitable for barcode scanning applications such as elevators.2. Use advanced image recognition algorithms to easily decode various one-dimensional or two-dimensional codes.3. Onboard UART interface, which can be easily integrated into various embedded devices.4. Compact size and high integrationProduct parameters:1. Resolution: 640 x 4802. Scanning angle: horizontal 70 degrees, vertical 55 degrees, rolling 360 degrees3. Scan mode: induction, continuous4. Accuracy: one-dimensional code is greater than or equal to 5mil, two-dimensional code is greater than or equal to 10mil5. Communication interface: UART port (default 9600 8N1)6. LED indicator:Blue: ScanGreen: decoding successful7. Power supply: 3.3V8. Current: 120mA9. Security protection:Electrostatic protection: contact discharge 6 kV, air discharge ±12KVIP protection: IP54 (front)10. Operating temperature: -30 to 70 degrees Celsius11. Storage temperature: -40 to 80 degrees Celsius12. Working humidity: 5%RH-95%RH (non-condensing)13. Product size: 21 x 21 x 8.9mmPacking list:-Barcode scanning module (D) x 1-6PIN cable without header x 1-6PIN cable x 1
$41.75
5W MP3 Voice Playback Control 32M Storage Custom Audio Module
1. 3.7-5VDC wide voltage power supply2. 9-channel one-to-one triggering interface, triggering 9 tracks (MAX)3. Low level signal trigger (S1...S9 and GND short contact trigger)4. Supports MP3 and WAV decoding formats, and supports audio file sampling rates up to 48KHz.5. Audio files can be changed by connecting to a computer via USB data cable, and comes with 32Mbit (4MByte) flash storage6. Comes with 5W Class D power amplifier, which can directly drive 403W and 801W speakers8. DIP switch sets 8 trigger working modes9. Playback status signal output: output high level (3.3V) when playing, output low level (OV) when not playing10. Playback status indicator: the red indicator light is on during playback11. Custom audio download interface: Connect the USB data cable to the computer, identify it as a U disk, and directly copy user-defined audio files12. Audio output: 3. 5mm audio output interface, can be connected to external active speakers13. Volume adjustment: adjust the speaker output volume, increase the volume clockwise, and decrease the volume counterclockwise.14. Speaker 5W (4-8 ohms): Speaker interface, output 5W, can drive 423W, 8 ohm 1W speakers15. DC 3.7-5V: Power supply interface, power supply range DC 3.7-5V16. Power indicator light: The green indicator light lights up after power is supplied.17. Configure trigger mode: Configure the 8 working modes (refer to the working mode configuration table). After the mode is changed, you must power on again to enter the new mode.18. Connect the data cable to the computer, identify it as a removable disk (U disk), and directly copy the audio file with a 5-digit file name, such as 00001.mp319. Scope of application: smart toys, passage gate voice broadcast, fire voice alarm, security voice alarm, industrial control voice broadcast, access control system voice broadcast20. Dimensions: 43x38mm21. Weight: 8 grams
$11.66
XY-P15W 10W/15W/20W Stereo Bluetooth Amplifier Board 12V/24V Digital Amplifier Module(With Shell)
1. Bluetooth version: 5.02. Operating voltage: DC8-24V3. Transmission distance: 15 meters (visible and unobstructed)4. Number of channels: dual-channel (stereo)5. Adaptable speaker power (30W-150): 4 ohms (8-12V power supply), 8 ohms (8-24V power supply), 16 ohms (8-24V power supply)6. Module protection mechanism: reverse power supply protection, short-circuit protection, self-recovery overheating protection7. Note: to improve the performance of the module, it is recommended to work more than 20W x 2 application scenarios under the amplifier chip plus heat dissipation8. Anti-static bag packaging, acrylic panels have a protective film, please tear off when assembling9. Module size: about 5 x 3.3 cmOperating instructions:1. After turning on the power, the blue indicator light will flash quickly to enter the Bluetooth mode2. Enter pairing mode and wait for pairing after announcing the beep3. Mobile phone bluetooth search to XY-P15W (amplifier board device name), click XY-P15W connection4. After successful connection, play the tone, the indicator light will be on, you can play the music on your cell phone, and the indicator light will flash slowly when playing the music5. Bluetooth disconnect the amplifier board to prepare for the next pairing, and play the tone after entering the pairing mode waiting for the pairingPrecautions for use:1. Amplifier board to use as far away from WIFI signals (router)2. Recommended power supply voltage DC 8-24V, more than 26V, the chip will be burned3. Connect 4 ohm speakers when the power supply does not exceed 12V, connect 8 ohm speakers when the power supply does not exceed 24V4. Recommended power supply current is more than 2A5. Module working power more than 20W x 2, need to add heat sinks6. The speaker cable should not be too long, ensure that 1 meter or less is suitable7. Pay attention to electrostatic protection, contact the amplifier board before the need to release the hand of static electricity, to avoid static electricity will chip breakdown, bluetooth chip is more sensitive to static electricity8. It is recommended to adapt to the speaker rated power 30W and above, to avoid burning the speaker heat
$8.77
TPA3118 PBTL 8-24V Mono Digital Amplifier Board 60W
1. The sound quality using this module is very good.2. Mono digital audio amplifier chip.3. High output and low power consumption.4. Applicable speaker impedance: 4-8 ohms (8 ohms is best).Product specifications:1. Power amplifier chip: TPA31182. Working voltage: DC8-24V3. Output power: 60W/30W4. PCB board size: 45 x 35mm/1.77 x 1.4in5. Weight: 12.3 grams
$7.33
CNC Stepper Motor Flexible Coupling Coupler (8x10mm)(Silver)
1. Shaft: 8 x 10mm 2. Length: 26mm 3. Diameter: 20mm 4. Material: aluminium
$9.99
TTGO Mini32 V2.0.13 ESP32 WiFi Bluetooth Module Development Board Electronic Module
1. Model Number: MINI 32 V2.0 2. Main chip: ESP 32 3. Flash Memory Chip: 25Q32 4. Charging IC Chip: TP4054 5. USB to Serial Port Chip: CH340C 6. Package Includes: 1 x TTGO MINI 32 V2.0 ESP32 WiFi Bluetooth Module 2 x Long Female Pins 2 x Normal Pins 4 x Short Female Pins
$17.02
TTGO T-Internet-POE ESP3 Module Downloader Extension Board
Hardware Specifications 1. Chipset: ESPRESSIF-ESP32-WROOM, LAN8720A Ethernet chip, SI 3404 power management chip 2. Flash: 4MB 3. PSRAM: 8MB 4. SRAM: 520 kB SRAM 5. Button: robot, rest 6. External device: TF card slot, C-type interface, PA2369NL 1825-S transformer, HR861153C Ethernet-POE interface 7. USB to TTL: CP 2104 8. Modular interface: SD card, UART, SPI, I2C, PWM, I2S, ADC 9. Satellite clock: 32.768 MHz crystal oscillator 10. Operating temperature range: -40 degrees Celsius to +85 degrees Celsius 11. Size: 70x52.3x17mm 12. Weight: 26.85g Power Specifications 1. Power input: -C type USB 5V 2. HR861153C Ethernet-POE interface: 50V 3. Working voltage: 2.7V-3.6V 4. Output current: about 1.2A 5. Charging current: 500 mA 6. USB: Type C USB Wi-Fi 1. Standard: FCC/CE-Red/IC/TELEC/KCC/SRRC/NCC (ESP 32 chip) 2. Protocol: 802.11 b/g/n (802.11n, acceleration 150 Mbps) A-MPDU and A-MSDU aggregation, support 0.4??S guard interval 3. Frequency range: 2.4GHz~2.5GHz (2400 m~2483.5M) 4. Transmit power: 22 dBm 5. Communication distance: 300 meters Bluetooth 1. Protocol: Complies with Bluetooth V4.2BR/EDR and BLE standards 2. Radio frequency: -97 dBm sensitivity nzif receiver class-1 class-2 class-3 emitter AFH 3. Audio: CVSD&SBC audio Software Specification 1. Wi-Fi mode: workstation/SoftAP/SoftAP+Station/P2P 2. Security mechanism: WPA/WPA 2/WPA 2-Enterprise/WPS 3. Encryption type: AES/RSA/ECC/SHA 4. Firmware upgrade: UART download/OTA (download and write firmware via network/host) 5. Software development: support cloud server development/sdk for user firmware development 6. Network protocol: IPv 4, IPv 6, SSL, TCP/UDP/HTTP/FTP/MQTT 7. User configuration: +instruction set, cloud server, Android/iOSapp 8. OS: FreeRTOS
$9.22
GA01P Mini Smart Power-off GSM SMS Phone Alarm Module
1. The input is a switch signal. When the input port is short-circuited to the ground (GND), an alarm message will be sent to the preset alarm phone, or call the set alarm number. The content of the alarm message can be set by yourself 2. It is simple and convenient to use, can be well embedded in other equipment, and act as a remote alarm working system 3. The alarm content of 1 alarm input and the alarm content when it is restored to normal can be defined by yourself 4. Built-in rechargeable lithium battery, usually in a charging state, when the main power is off, it will provide power and send an alarm message to the preset number 5. Power supply: DC 5V-15V
$43.55
JL0924 3.5mm RCA Jack Connector (10 Pcs in One Package, the Price is for 10 Pcs)
1. Color: Golden 2. Material: Iron + PA66 3. Withstand voltage: AC 500V (50Hz)/min 4. Rated load: DC 50V 0.2A 5. 10 pieces will be shipped 6. Dimensions: 5.8 cm x 1.2 cm x 1.2 cm
$7.54
840 PCS 14 Lengths Jumper Wire U Shape Solderless Breadboard Jumper Wire Kit
1. Convenient and portable, durable2. Made of high-quality copper wire material, safe and durable to use3. Healthy materials, safe and non-toxic, durable and dirt-resistant4. Name: Jumper special wire for breadboard5. Dimensions: 2mm, 5mm, 7mm, 10mm, 12mm, 15mm, 17mm, 20mm, 22mm, 25mm, 50mm, 75mm, 100mm, 125mm
$9.87
140 PCS 14 Lengths Jumper Wire U Shape Solderless Breadboard Jumper Wire Kit
1. Convenient and portable, durable2. Made of high-quality copper wire material, safe and durable to use3. Healthy materials, safe and non-toxic, durable and dirt-resistant4. Name: Jumper special wire for breadboard5. Dimensions: 2mm, 5mm, 7mm, 10mm, 12mm, 15mm, 17mm, 20mm, 22mm, 25mm, 50mm, 75mm, 100mm, 125mm
$6.81
560 PCS 14 Lengths Jumper Wire U Shape Solderless Breadboard Jumper Wire Kit
1. Convenient and portable, durable2. Made of high-quality copper wire material, safe and durable to use3. Healthy materials, safe and non-toxic, durable and dirt-resistant4. Name: Jumper special wire for breadboard5. Dimensions: 2mm, 5mm, 7mm, 10mm, 12mm, 15mm, 17mm, 20mm, 22mm, 25mm, 50mm, 75mm, 100mm, 125mm
$9.59
XINYI XY-S100L Sini Audio Channel 2.1 Bluetooth Power Board Module(S100L)
1. Audio channel: 2.1 channel2. Bluetooth version: 5.03. Audio input: Bluetooth+AUX+U disk+USB sound card4. Audio output: Left and right channel + subwoofer + 3.5mm interface stereo output5. Volume adjustment: Encoder knob adjustment, smooth feel6. Frequency range: 20Hz-30KHz7. Signal to noise ratio: 92dB8. Output power: 50W x 2 (left and right channels) + 100W (subwoofer)9. Left and right channel speakers: 10-100W /4-8 ohm10. Subwoofer: 20-200W /4-8 ohm11. Protection mechanism: Static electricity, overcurrent, overheating and short circuit protection12. Adapter power supply: Above DC 5-26V/10A13. Function: Support Sinilink APP control14. Size: About 9.5 x 8.8 x 2.5cm15. Weight: About 156gPacking list:1. Upper cover x 12. Bare board x 13. Lower cover x 14. Knob cap x 65. M2x4+3 copper pillar x 46. M2x3 screw x 87. M2x18 copper pillar x 48. Heat sink x 19. Thermally conductive silicone paste x 1
$24.74
Sinilink AP50H HiFi 2.0 Stereo Bluetooth Digital TPA3116D2 Power Amplifier Board(PCB)
1. Audio source input: Bluetooth+AUX+U disk+USB sound card2. Adapter power supply: Above DC5-27V/2A3. Output power: 50Wx24. Adapted speaker: 10-200W, 4/8 ohm5. Number of channels: Left and right dual channels (stereo)6. Bluetooth version: 5.07. Transmission distance: More than 15 meters, no obstruction8. Chip: TPA3116D2 (anti-interference efficient class D power amplifier)9. Output mode: LC filter output, high-definition sound quality10. Volume adjustment: Encoder volume adjustment, smooth feel, one-key switch11. Heat dissipation method: Pure aluminum heat sink + shell heat dissipation, large heat dissipation area, ensuring high power and high performance operation12. Protection mechanism: Anti-static, anti-reverse power supply, short circuit, overheating, overvoltage, undervoltage, DC protection13. Power supply voltage:- 12V: 8 ohm/10Wx2, 4 ohm/20Wx2- 18V: 8 ohms/20Wx2, 4 ohms/40Wx2- 21V: 8 ohms/30Wx2, 4 ohms/50Wx214. Size: About 6x6x1.6 cm15. Weight: About 94g
$15.66
Wuzhi 2.0 Stereo Bluetooth Speaker Power Plate Audio Receiver Module(ZK-502H)
1. Audio input: Bluetooth + AUX + U disk + computer USB sound card (plug and play)2. Adapter power supply: DC 9-24V (high voltage is recommended for high power)3. Output power: 50Wx24. Adapted speaker: 10-100W, 4/8 ohm5. Number of channels: Left and right dual channels (stereo)6. Bluetooth version: 5.07. Transmission distance: More than 15 meters, no obstruction8. Bluetooth name: Wuzhi Audio9. Protection mechanism: Overvoltage, undervoltage, overheating, DC detection, short circuit protection10. Power supply voltage:- 12V: 8 ohms/12W+12W, 4 ohms/20W+20W- 15V: 8 ohms/18W+18W, 4 ohms/30W+30W- 19V: 8 ohms/32W+32W, 4 ohms/40W+40W- 24V: 8 ohms/38W+38W, 4 ohms/50W+50W11. Size: About 6x6x1.8 cm12. Weight: About 68g13. Reminder: There will be enough output power only when the audio input is enough and the power supply/current is enough. 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 larger the horn ohms, the smaller the relative sound power
$21.02
ZK-1002M Mini Stereo Bluetooth Audio Receiver D Class Digital Power Plate Module
1. Audio source input: Bluetooth + AUX + U disk + computer USB (plug and play)2. Adapter power supply: DC5-24V (high voltage is recommended for high power)3. Output power: 100Wx24. Adapted speakers: 20-200W, 4-8 ohms5. Number of channels: Left and right dual channels (stereo)6. Bluetooth version: 5.07. Transmission distance: More than 15 meters, no obstruction8. Bluetooth name: Wuzhi Audio9. Protection mechanism: overheating, overcurrent, short circuit protection10. Power supply voltage:- 12V: 8 ohms/20W+20W, 4 ohms/40W+40W- 15V: 8 ohms/35W+35W, 4 ohms/60W+60W- 19V: 8 ohms/55W+55W, 4 ohms/80W+80W- 24V: 8 ohms/70W+70W, 4 ohms/100W+100W11. Size: About 6x6x2.9 cm12. Weight: About 66g13. Reminder: There will be enough output power only when the audio input is enough and the power supply/current is enough. 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 larger the horn ohms, the smaller the relative sound power
$15.97
CDF-M3 Waterproof Wire Connector, Specification: 3 Pin
1. Waterproof and moisture-proof2. Flame-retardant nylon, smooth without burrs3. Threaded connection pipe, humanized design, easy to operate4. Pluggable structure, fast wiring, screw-free design5. Protection level: IP68 level, water depth 4 meters6. Material: flame-retardant nylon + copper7. Working frequency: high frequency8. Interface type: Direct plug-in without broken wire9. Wiring range: 0.5-2 square millimeters10. Rated voltage: 300V11. Rated power: 4800W12. Rated current: 16A13. Working temperature: -40 to 95 degrees Celsius14. Scope of application: outdoor fountains, landscape fish tanks, street lighting, monitoring equipment, machine wire and cable fixing, etc.15. Applicable cable: diameter 4-7MM16. Dimensions: 15 x 15 x 51MM17. Weight: About 7.5G
$6.33
CDF-200/3 Waterproof Wire Connector With 2 Pin Quick Connector
1. Waterproof and moisture-proof, threaded connection pipe, humanized design, easy to operate2. Flame-retardant nylon, smooth without burrs3. Internal and external rubber ring, double waterproof4. Easy to operate, just plug in, convenient, fast, safe and reliable5. Protection level: IP68 level, water depth 4 meters6. Material: Flame Retardant Nylon + Flavonoid Nickel Plated7. Working frequency: high frequency8. Interface type: Direct plug-in without broken wire9. Wiring range: 0.5-4 square millimeters10. Rated voltage: 450V11. Rated power: 14400W12. Rated current: 32A13. Working temperature: -40 to 95 degrees Celsius14. Scope of application: Power supply, network, communication equipment, lighting, etc.15. Applicable cable: Diameter 4-19MM16. Dimensions: 29 x 29 x 85MM17. Weight: about 40G
$6.62
CDF-200/3 Waterproof Wire Connector With 3 Pin Cold Pressure Terminal
1. Waterproof and moisture-proof, threaded connection pipe, humanized design, easy to operate2. Flame-retardant nylon, smooth without burrs3. Internal and external rubber ring, double waterproof4. Easy to operate, just plug in, convenient, fast, safe and reliable5. Protection level: IP68 level, water depth 4 meters6. Material: Flame Retardant Nylon + Flavonoid Nickel Plated7. Working frequency: high frequency8. Interface type: Direct plug-in without broken wire9. Wiring range: 0.5-4 square millimeters10. Rated voltage: 450V11. Rated power: 14400W12. Rated current: 32A13. Working temperature: -40 to 95 degrees Celsius14. Scope of application: Power supply, network, communication equipment, lighting, etc.15. Applicable cable: Diameter 4-19MM16. Dimensions: 29 x 29 x 85MM17. Weight: about 40G
$6.87
CDF-200/3 Waterproof Wire Connector With 5 Pin Cold Pressure Terminal
1. Waterproof and moisture-proof, threaded connection pipe, humanized design, easy to operate2. Flame-retardant nylon, smooth without burrs3. Internal and external rubber ring, double waterproof4. Easy to operate, just plug in, convenient, fast, safe and reliable5. Protection level: IP68 level, water depth 4 meters6. Material: Flame Retardant Nylon + Flavonoid Nickel Plated7. Working frequency: high frequency8. Interface type: Direct plug-in without broken wire9. Wiring range: 0.5-4 square millimeters10. Rated voltage: 450V11. Rated power: 14400W12. Rated current: 32A13. Working temperature: -40 to 95 degrees Celsius14. Scope of application: Power supply, network, communication equipment, lighting, etc.15. Applicable cable: Diameter 4-19MM16. Dimensions: 29 x 29 x 85MM17. Weight: about 40G
$7.21
CDF-M3 Waterproof Wire Connector, Specification: 2 Pin
1. Waterproof and moisture-proof2. Flame-retardant nylon, smooth without burrs3. Threaded connection pipe, humanized design, easy to operate4. Pluggable structure, fast wiring, screw-free design5. Protection level: IP68 level, water depth 4 meters6. Material: flame-retardant nylon + copper7. Working frequency: high frequency8. Interface type: Direct plug-in without broken wire9. Wiring range: 0.5-2 square millimeters10. Rated voltage: 300V11. Rated power: 4800W12. Rated current: 16A13. Working temperature: -40 to 95 degrees Celsius14. Scope of application: outdoor fountains, landscape fish tanks, street lighting, monitoring equipment, machine wire and cable fixing, etc.15. Applicable cable: diameter 4-7MM16. Dimensions: 15 x 15 x 51MM17. Weight: About 7.5G
$6.35
CDF-200/3 Waterproof Wire Connector With 3 Pin Quick Connector
1. Waterproof and moisture-proof, threaded connection pipe, humanized design, easy to operate2. Flame-retardant nylon, smooth without burrs3. Internal and external rubber ring, double waterproof4. Easy to operate, just plug in, convenient, fast, safe and reliable5. Protection level: IP68 level, water depth 4 meters6. Material: Flame Retardant Nylon + Flavonoid Nickel Plated7. Working frequency: high frequency8. Interface type: Direct plug-in without broken wire9. Wiring range: 0.5-4 square millimeters10. Rated voltage: 450V11. Rated power: 14400W12. Rated current: 32A13. Working temperature: -40 to 95 degrees Celsius14. Scope of application: Power supply, network, communication equipment, lighting, etc.15. Applicable cable: Diameter 4-19MM16. Dimensions: 29 x 29 x 85MM17. Weight: about 40G
$6.70
Wuzhi ZK-1002 100W X 2 HIFI High Fidelity High Power 2.0 Stereo Bluetooth Digital Power Plate
1. All copper plug, the contact point is not easy to heat2. The grid terminal is convenient for wiring, and the adjacent wires are not easy to be short-circuited3. Chip: TPA3116D2 (with AM interference function)4. Filter: LC filter (the sound is more round and clear after filtering)5. Adapter power supply: 5-27V (high voltage recommended for high power)6. Output power: 100Wx27. Adapter speaker: 50-300W, 4-8 ohms8. Number of channels: left and right dual channel (stereo)9. Bluetooth version: 5.010. Bluetooth transmission distance: about 15 meters (unblocked)11. Protection mechanism: overvoltage, undervoltage, overheating, DC detection, short circuit protection12. Power supply voltage:-12V: 8 ohm speaker/24W (left channel) +24W (right channel), 4 ohm speaker/40W+40W-15V: 8 ohms/36W+36W, 4 ohms/greater than 60W+60W-19V: 8 ohms/64W+64W, 4 ohms/greater than 92W+92W-24V: 8 ohms/76W+76W, 4 ohms/greater than 110W+110W13. Size: about 8.4x5.2x2.4cm14. Weight: about 130g15. Tips: only when the audio input is sufficient and the power supply/current is sufficient, there will be enough output power. If the power supply voltage is higher, the relative power will be higher. Speakers with different impedances will have different output powers. In the case of sufficient voltage and current, the larger the ohmic number of the speaker, the smaller the relative sound power
$31.54
30W/40W Stereo Bluetooth Power Amplifier Plate 12V/24V High Power Digital Power Module Bare Plate
1. Stereo audio, wide frequency response, high efficiency, low distortion and low noise, good sound effect2. There is a volume adjuster, easy to adjust the sound3. With power reverse connection protection, short circuit protection and overheat protection4. Wide supply voltage and two input modes, higher efficiency5. Material: PCB circuit board6. Power supply voltage: DC 5-24V7. Bluetooth version: 5.08. Transmission distance: about 15 meters (visible and unobstructed)9. Number of channels: two channels (stereo)10. Output power: 20Wx2 12V 4 ohms, 30Wx2 16V 4 ohms, 30Wx2 21V 8 ohms, 40Wx2 24V 8 ohms11. Adapter speaker (40-200W): 4 ohms (5-16V power supply), 8 ohms (5-24V power supply)12. Module protection mechanism: power reverse connection/short circuit/self-recovery overheating protection13. Size: about 5.08x3.8x1.815cmPrecautions:1. Keep a safe distance from the router to avoid wifi interference2. It is recommended to use 5-24V DC power supply voltage, higher than 26V chip will burn3. The power supply should be within 16V when connected to a 4-ohm speaker, and within 24V when connected to an 8-ohm speaker4. The power supply current is recommended to be more than 2A5. The speaker cable should not be too long, it is recommended to be within 1m6. Pay attention to electrostatic protection. Before touching the power amplifier board, you need to release the static electricity on your hands to avoid the breakdown of the chip by static electricity. The Bluetooth chip is more sensitive to static electricity.7. It is recommended that the rated power of the speaker is 40W and above to avoid the speaker being overheated and burned
$9.63
30W/40W Stereo Bluetooth Power Amplifier Plate 12V/24V High Power Module With Acrylic Shell
1. Stereo audio, wide frequency response, high efficiency, low distortion and low noise, good sound effect2. There is a volume adjuster, easy to adjust the sound3. With power reverse connection protection, short circuit protection and overheat protection4. Wide supply voltage and two input modes, higher efficiency5. Material: PCB circuit board6. Power supply voltage: DC 5-24V7. Bluetooth version: 5.08. Transmission distance: about 15 meters (visible and unobstructed)9. Number of channels: two channels (stereo)10. Output power: 20Wx2 12V 4 ohms, 30Wx2 16V 4 ohms, 30Wx2 21V 8 ohms, 40Wx2 24V 8 ohms11. Adapter speaker (40-200W): 4 ohms (5-16V power supply), 8 ohms (5-24V power supply)12. Module protection mechanism: power reverse connection/short circuit/self-recovery overheating protection13. Size: about 5.08x3.8x1.815cmPrecautions:1. Keep a safe distance from the router to avoid wifi interference2. It is recommended to use 5-24V DC power supply voltage, higher than 26V chip will burn3. The power supply should be within 16V when connected to a 4-ohm speaker, and within 24V when connected to an 8-ohm speaker4. The power supply current is recommended to be more than 2A5. The speaker cable should not be too long, it is recommended to be within 1m6. Pay attention to electrostatic protection. Before touching the power amplifier board, you need to release the static electricity on your hands to avoid the breakdown of the chip by static electricity. The Bluetooth chip is more sensitive to static electricity.7. It is recommended that the rated power of the speaker is 40W and above to avoid the speaker being overheated and burned
$10.59
MP3 Voice Play Broadcast Module Chip Serial Port Control USB Download With 8M Storage Play Board
1. Support MP3, WAV decoding format2. Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/483. 24-bit DAC output, dynamic range supports 90dB, signal-to-noise ratio supports 85dB4. Onboard 64Mbit (8M bytes) Flash memory, no memory card required5. Comes with 5W class D power amplifier, which can directly drive 4 ohm/3-5W speakers6. The UART serial port controls the voice broadcast function, which can control the functions of play, pause, song selection, volume addition and subtraction, and the selection of songs can reach 65535 songs, and the baud rate is 9600 bit/s7. Support IO trigger playback function, 8 IO ports can trigger 8 tracks individually or 8 IO ports can trigger 255 tracks in combination8. Support One Line single-bus serial port control, which can control functions such as play, pause, song selection, volume addition and subtraction, etc.9. Support 3 configuration IOs for up to 7 working modes selection, DIP switch settings, easy to operate10. Working voltage: DC 5V11. Size: about 4x3.5cm
$11.33
Industrial Plug IP44 Waterproof Aviation Connection Plug, Style: 5 Core 16A
1. Brass column, safe and durable, with strong conductivity2. Anti-corrosion, anti-aging, high-temperature, impact-resistant shell3. Engineering plastic, IP44 protection grade, waterproof and dustproof design4. Material: engineering plastic5. Protection class: IP446. Three cores: blue 220-250V 3P (2P+E ), which means live wire + neutral wire + ground wire7. Four cores: red 380-415V 4P(3P+E), means three live wires + ground wire8. Five cores: red 380-415V 5P (3P+N+E), which means three live wires + neutral wire + ground wire9. Current: 16A, 32A10. Size: about 12.2x4.3cm/piece for three-core 16A, about 13.8x5.7cm/piece for three-core 32A, about 12.2x4.9cm/piece for four-core 16A, about 13.8x5.7cm/piece for four-core 32A pcs, five-core 16A about 13x5.5cm/pc, five-core 32A about 14.3x6.2cm/pc
$7.62
Industrial Plug IP44 Waterproof Aviation Connection Plug, Style: 4 Core 16A
1. Brass column, safe and durable, with strong conductivity2. Anti-corrosion, anti-aging, high-temperature, impact-resistant shell3. Engineering plastic, IP44 protection grade, waterproof and dustproof design4. Material: engineering plastic5. Protection class: IP446. Three cores: blue 220-250V 3P (2P+E ), which means live wire + neutral wire + ground wire7. Four cores: red 380-415V 4P(3P+E), means three live wires + ground wire8. Five cores: red 380-415V 5P (3P+N+E), which means three live wires + neutral wire + ground wire9. Current: 16A, 32A10. Size: about 12.2x4.3cm/piece for three-core 16A, about 13.8x5.7cm/piece for three-core 32A, about 12.2x4.9cm/piece for four-core 16A, about 13.8x5.7cm/piece for four-core 32A pcs, five-core 16A about 13x5.5cm/pc, five-core 32A about 14.3x6.2cm/pc
$6.78
50 PCS / Box Cable Waterproof Sealed Fixed Joint(Environmentally Friendly Flame Retardant)
1. High toughness clamping jaw, waterproof and dustproof, tensile strength2. Good insulation, manual tightening, easy installation3. High elastic and thick sealing ring, strong fixed tension, no damage to the cable4. Material: PA5. Specifications: PG7/9/11/13.5/16/196. Protection class: IP687. Packing list: PG7x20, PG9x10, PG11x6, PG13.5x5, PG16x4, PG19x58. Weight: about 485g/box9. Box size: about 20.8x16.7x3.8cm
$11.69
Industrial Plug IP44 Waterproof Aviation Connection Plug, Style: 5 Core 32A
1. Brass column, safe and durable, with strong conductivity2. Anti-corrosion, anti-aging, high-temperature, impact-resistant shell3. Engineering plastic, IP44 protection grade, waterproof and dustproof design4. Material: engineering plastic5. Protection class: IP446. Three cores: blue 220-250V 3P (2P+E ), which means live wire + neutral wire + ground wire7. Four cores: red 380-415V 4P(3P+E), means three live wires + ground wire8. Five cores: red 380-415V 5P (3P+N+E), which means three live wires + neutral wire + ground wire9. Current: 16A, 32A10. Size: about 12.2x4.3cm/piece for three-core 16A, about 13.8x5.7cm/piece for three-core 32A, about 12.2x4.9cm/piece for four-core 16A, about 13.8x5.7cm/piece for four-core 32A pcs, five-core 16A about 13x5.5cm/pc, five-core 32A about 14.3x6.2cm/pc
$7.98
Industrial Plug IP44 Waterproof Aviation Connection Plug, Style: 3 Core 32A
1. Brass column, safe and durable, with strong conductivity2. Anti-corrosion, anti-aging, high-temperature, impact-resistant shell3. Engineering plastic, IP44 protection grade, waterproof and dustproof design4. Material: engineering plastic5. Protection class: IP446. Three cores: blue 220-250V 3P (2P+E ), which means live wire + neutral wire + ground wire7. Four cores: red 380-415V 4P(3P+E), means three live wires + ground wire8. Five cores: red 380-415V 5P (3P+N+E), which means three live wires + neutral wire + ground wire9. Current: 16A, 32A10. Size: about 12.2x4.3cm/piece for three-core 16A, about 13.8x5.7cm/piece for three-core 32A, about 12.2x4.9cm/piece for four-core 16A, about 13.8x5.7cm/piece for four-core 32A pcs, five-core 16A about 13x5.5cm/pc, five-core 32A about 14.3x6.2cm/pc
$7.37
Industrial Plug IP44 Waterproof Aviation Connection Plug, Style: 3 Core 16A
1. Brass column, safe and durable, with strong conductivity2. Anti-corrosion, anti-aging, high-temperature, impact-resistant shell3. Engineering plastic, IP44 protection grade, waterproof and dustproof design4. Material: engineering plastic5. Protection class: IP446. Three cores: blue 220-250V 3P (2P+E ), which means live wire + neutral wire + ground wire7. Four cores: red 380-415V 4P(3P+E), means three live wires + ground wire8. Five cores: red 380-415V 5P (3P+N+E), which means three live wires + neutral wire + ground wire9. Current: 16A, 32A10. Size: about 12.2x4.3cm/piece for three-core 16A, about 13.8x5.7cm/piece for three-core 32A, about 12.2x4.9cm/piece for four-core 16A, about 13.8x5.7cm/piece for four-core 32A pcs, five-core 16A about 13x5.5cm/pc, five-core 32A about 14.3x6.2cm/pc
$6.28
Industrial Plug IP44 Waterproof Aviation Connection Plug, Style: 4 Core 32A
1. Brass column, safe and durable, with strong conductivity2. Anti-corrosion, anti-aging, high-temperature, impact-resistant shell3. Engineering plastic, IP44 protection grade, waterproof and dustproof design4. Material: engineering plastic5. Protection class: IP446. Three cores: blue 220-250V 3P (2P+E ), which means live wire + neutral wire + ground wire7. Four cores: red 380-415V 4P(3P+E), means three live wires + ground wire8. Five cores: red 380-415V 5P (3P+N+E), which means three live wires + neutral wire + ground wire9. Current: 16A, 32A10. Size: about 12.2x4.3cm/piece for three-core 16A, about 13.8x5.7cm/piece for three-core 32A, about 12.2x4.9cm/piece for four-core 16A, about 13.8x5.7cm/piece for four-core 32A pcs, five-core 16A about 13x5.5cm/pc, five-core 32A about 14.3x6.2cm/pc
$7.69
DY-HV20T 12V/24V 10W/20W Voice Playback Module MP3 Music Player UART I/O Trigger Amplifier Board Module
1. Support MP3, WAV decoding format. 2. Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48. 3. 24-bit DAC output, dynamic range supports 90dB, signal-to-noise ratio supports 85dB. 4. DC 6~35V ultra-wide working voltage. 5. Support up to 32G memory card, can connect to computer via USB data cable to update and store audio files. 6. Integrated high-power amplifier output, driving 4?? speakers up to 20W, driving 8?? speakers up to 10W. 7. The UART serial port controls the voice broadcast function, which can control play, pause, song selection, volume addition and subtraction and other functions. The selection of songs is up to 65535 songs, and the baud rate is 9600 bit/s. 8. Support IO one-to-one trigger playback function, 8 IO ports can trigger 8 tracks individually or 8 IO ports can trigger 255 tracks in combination. 9. Support One_line single-bus serial port control, which can control functions such as play, pause, song selection, volume addition and subtraction. 10. Support 3 configuration IOs for up to 7 working modes selection, DIP switch settings, easy to operate. 11. 8-way IO design ESD protection
$12.46
XY-C100L Stereo Stepless Tuning Bluetooth Digital Power Amplifier Board
1. Using the rotary encoder used in high-end speakers, stepless tuning, smooth hand feel, one-key start and stop2. High-quality all-copper DC plug, long life3. 3.5mm audio output, connected to active power box4. Free large area heat sink5. Number of channels: left and right dual channel (stereo)6. Protection mechanism: power reverse connection protection, short circuit protection, self-recovery overheat protection7. Purpose: Bluetooth speaker amplifier motherboard8. Bluetooth version: 5.09. Adapter speaker: 20-300W 4 ohm 8 ohm10. Transmission distance: 15 meters (without blocking)11. Supply voltage: DC 5-26V12. Dimensions: 53x18x58mm13. Weight: about 70g
$15.16
ZK-1002L Mini High Power Bluetooth Amplifier Board with Knob Adjust Volume Switch
1. Bluetooth 5.0, high transmission efficiency and long transmission distance2. Large volume black gold heat sink to ensure efficient heat dissipation3. Potentiometer to adjust the volume, with switch, easy to control the volume, very suitable for DIY speakers, if it is a metal box, you need to lead out the Bluetooth antenna4. The copper DC connector is used, which can withstand large current and does not generate heat.5. 4 green gold capacitors to ensure power storage capacity, continuous and stable power supply is the premise of good sound quality6. Comes with a DC head with cable, which can be compatible with the input power interface of this product, even if you do not have a DC head adapter or battery, you can also connect easily7. The grid terminal is convenient for wiring, and the adjacent wires are not easy to be short-circuited8. Protection mechanism: self-recovery short circuit protection, self-recovery overheat protection9. Adapter speaker: 50-300W 4 to 8 ohms10. Transmission distance: 15 meters (without blocking)11. Power supply voltage: DC 5-24V power supply12. Rated power: 100w13. Number of channels: left and right dual channel (stereo)14. Precautions for use: The power switch on the board is a standby switch. After the switch is turned off, the machine is in a low-power standby state. To completely turn off the power or not use it for a long time, you can unplug the DC plug on the machine.15. Dimensions: 69 x 53 x 22mm16. Weight: about 124g
$15.43
Yahboom STM32 4WD Smart Robot Car Bitbot
1. Input: Infrared obstacle avoidance & light-seeking sensor, four-way line inspection module, ultrasonic module, button, grayscale sensor 2. Output: deceleration motor, buzzer, steering gear pan/tilt, colorful searchlights, motor small fan 3. Power supply: 3 3.7V lithium batteries 4. Battery life: more than 180 minutes 5. Gimbal rotation: SG90 servo 6. Remote control mode: Bluetooth remote control (IOS/Android), infrared remote control, 7. WeChat applet remote control, PC host computer remote control, WIFI Internet of Things remote control (optional module), PS2 handle remote control (optional module), somatosensory gesture remote control (optional module) 8. Product size: 256mmx183mmx130mm 9. Product weight: 850g 10. Support multiple functions: intelligent light tracking, line inspection, color recognition, car light display, line inspection color block recognition, ultrasonic obstacle avoidance, fan fire extinguishing, etc. 11. The 4WD smart car is equipped with a Bluetooth 4.0 module, use the mobile phone to approach the Bluetooth module, and the Bluetooth will automatically identify and connect, avoiding the tedious setting process of each pairing of the traditional Bluetooth module 12. Note: This product is shipped without a battery, if you need to use it, please prepare three 3.7V 18650 lithium batteries
$148.52
Smart Microwave Induction Switch Sensor 5.8G Radar Sensing Switch
1. Power negative teaching: inductive 500W, resistive 1000W2. Working voltage: 220V-240V AC3. Power frequency: 50/60HZ4. Frequency system: 5. 8Hz+/-75MHz CW radar5. Time delay: 8s-12min6. Power consumption: less than 0.9W7. Light source control: 5-2000LUX8. Detection angle: 180 degrees, 360 degrees9. Installation height: up to 8 meters10. Detection distance: 1-8 meters11. Installation method: indoor, ceiling installation, wall installation12. Features: adopt high-performance microchip, radar principle, intelligent induction, intelligent identification, anti-interference, easy to install, stable working condition13. Size: about 8.35 x 4.1 x 2.5cm
$13.96