Motor speed measurement counter-beam photoelectric sensor infrared counter-beam counting sensor module slot optocoupler module

USB motherboard routing LCD MinPro-I high-speed programmer BIOS FLASH 24 25 burner

MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 gas sensor die

Synchronous belt wheel 2GT-20 teeth 16 teeth bandwidth 6mm inner hole 5/8mm GT2 transmission belt wheel

STC12 core board STC12C5A60S2 double serial port 51 single chip Microcomputer System/development/Learning Board

Micro Switch V-152-156-15-153-155-1C25 travel switch limit switch

Tracing sensor car tracking module TCRT5000 infrared reflection sensor photoelectric switch

9V power battery box 9V battery buckle with DC plug with wire without cover 9V battery box 9V battery

XD67 sensor module L9110 fan module fire extinguishing robot SUNLEPHANT

3.5 stereo audio plug 3.5 Dual Channel plug 3.5MM audio socket

5A 20A 30A range ACS712 module current sensor module ACS712

WT588D voice module voice chip can repeatedly erase high-quality voice download 16P-32M

GY-213V- HDC1080 / SI7021 / SHT20 high precision temperature and humidity sensor

DHT22 single bus digital temperature and humidity sensor with adapter plate AM2302 module high precision

Fiberglass adjustable step-down regulated power supply module synchronous rectification high efficiency DC-DC converter solar electric vehicle

NFC development board PN532 development board RFID card reader NFC module

Sound detection sensor module sound sensor microphone module voice control switch smart car applicable

FM transmitter module mini FM wireless microphone module mini FM transmitter module serial port control

Universal receiving head TL1838 VS1838B infrared receiving head with iron shell

Khadas VIM1/2 Basic/MAX Development Learning Board Bluetooth + WiFi/8 Core 64ARM A53

Arduno sliding potentiometer electronic building blocks sliding adjustable resistance dual analog potentiometer module

ADNS3080 optical flow sensor 2.52 detects horizontal movement

1.54/2.13/2.90-inch electronic/flexible ink screen module black and white/red black and white/electronic paper screen kit

MPR121Breakoutv12 proximity capacitive touch sensor controller keyboard Development Board

MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 gas sensor detection

UNO R3 development board improved Enhanced version ATmega328P single chip Micro USB interface

Microphone amplifier module sound module MIC module SUNLEPHANT microphone voice module

Starter Shield digital tube display clock module expansion board electronic DIY programming welding kit

Breadboard dedicated 2-way power module MB-102 breadboard output 3.3V/5V DC regulated

DS1307 Clock Module + Micro SD Module For Wemo D1Mini Data Logging Expansion Board

MCU-122 MPR121 module capacitive touch sensor key sensor key keyboard

OV2640 camera module ESP32-CAM module/smart home WIFI core board

FMFM stereo digital transmitter module board audio transmitter module multi-function version/LCD version

Bluetooth MESH networking ZIGBEE module BLE transparent transmission/switch value/LED light wireless networking/master-slave integration

Intelligent Car speed measuring sensor module code plate counting with indicator light intelligent car speed measuring module

Car battery voltage and power display 12v24v support lithium battery USB support multi-protocol fast charging