CD4511 8-way digital display responder kit 8-way electronic skills competition teaching diy training assembly parts

Voice playback module MP3 player trigger playback serial port control play DYSV5W

Bluetooth MP3 decoding module audio receiving board lossless car speaker power amplifier modified 4.1 circuit board

CA-6928 bluetooth stereo audio module 5V bluetooth receiver module 5.0BT bluetooth board chiplet

Audio isolator module computer power amplifier audio Noise Canceller common ground anti-interference signal noise filter

MAX7219 dot matrix module control module single chip microcomputer module display module send 5 Dupont lines

MP3 audio power amplifier decoder board with Bluetooth 5.0 lossless U disk TF card AUX player DIY audio box 5V

Delay adjustable timing off power off lights off fan 220V trigger delay off power off time relay module

Voice control delay module direct drive LED Motor DIY small desk lamp small electric fan kemixing electronic building blocks

400W High and Bass Divider Solderless DIY Debuggable Universal Audio Speaker Speaker 2-way Soundboard

D234 HiFi-class high-bass two-divider high-fidelity speaker 2-way sound splitter DIY home audio-visual audio

5.0 Bluetooth TF card U disk AUX lossless MP3 audio decoder color screen with recording Call file selection function

4 Euro 3W Small Speaker Speaker 3070 LCD TV Advertising Machine Audio DIY Passive Speaker Speaker Speaker Production

5v 12V Bluetooth 5.0 car MP3 decoder board with Call FM radio diy audio box TF card U disk player

XH2.54-3P Audio Signal Cable Shielded Wire DIY Power Amplifier Board Tone Front Board Signal Line Extension Line

4-way level conversion module bidirectional logic interconversion 3.3V to 5V 5V to 3.3V IIC UART SPI

Rectifier filter power board 3A rectifier power amplifier AC AC single power supply to DC DC single power supply board

CS1237 24-bit ADC Module Onboard TL431 External Reference Chip Single Channel Weigh Sensing 24bit

Water card elevator card access card IC card duplicator card reader reader PN532 Mi Band NFC module

RS422 mutual TTL bidirectional signal module full duplex 422 to single chip MAX490 to TTL module

USB adapter board male head to female head to microUSB head to header/Type-C 4P 2.54mm in-line

Micro SD card module SPI interface TF card reader/writer with level conversion chip

2262/2272 four-way wireless remote control kit M4 non-locking receiving board with four-button wireless remote control

SD card reading and writing module MCU SD SPI interface SD card socket SD card reading and writing module

Single chip microcomputer 51 black remote control MP3 remote control infrared remote control with battery Komei Star

Mini mobile led lamp USB camping lamp baby night light small bulb blackboard white star

CA-255S universal 10-48 inch LED LCD TV backlight constant current board boost board LED constant current board

56 60mm four-blade propeller model paddle 2mm hole plastic paddle DIY technology to make paddle blades

3d printer accessories MOS tube hot bed module high power expansion high current load 25A/30A

8/12/16/20 lamp bead LED lighting board USB mobile lamp stall lamp emergency lamp night light

HT-NTC100K 3D printer temperature resistance thermistor sensor accessories thermal head high temperature 350 degrees

20g FPV steering gear pan/tilt fpv aerial camera miniature nylon plastic FPV pan/tilt dual-axis steering gear pan/tilt

Diy mobile power circuit motherboard charging treasure PCB booster plate 4 8 18650 battery charging treasure universal

3D printer smart controller RAMPS1.4 LCD 12864 LCD control screen

WTV020-SD voice module SD card voice module game machine voice module MP3 module

USB night light computer Light U disk light charging treasure night light 2/3/8/24 lamp bead LED white/warm light highlight