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MAX7219 Dot Matrix module control module single chip Microcomputer module display module line feeding

Protection Board 2 strings 7.4V 8.4v lithium battery pack protection board 3A current anti-overcharge over discharge

2 strings 8.4v lithium battery protection board round 7.4V overcharge overdischarge protection 5A working current 7A current limiting

340 chip USB to serial port cable USB to RS232 USB9 pin serial port 340 chip USB to serial port cable

MICRO USB to Dip female base B- type Mike 5p patch to direct plug adapter board welded female head

MP1484EN DC-DC model aircraft step-down power module synchronous rectification voltage conversion ultra-small volume

IIC I2C level conversion module 5-3v system compatible with 2-way/4-way sensor module

Digital amplifier module TPA3118 PBTL mono digital amplifier board 1X60W amplifier module

CH340G brush board module USB to TTL STC single chip microcomputer download line Middle nine brush

GY-MAX30100 GY-MAX30102 heartbeat heart rate pulse blood oxygen concentration detection sensor module

Single-Channel electrodeless touch dimming LED constant current drive floor lamp table lamp with light bar repair DIY module

3.2V lithium iron phosphate protection board single section 1 string 3.7V battery anti-overcharge overdischarge protection board 12A

GY-50 L3G4200D three-axis digital gyroscope sensor module angular velocity module

MCU mini RS232 MAX3232 level to TTL level conversion board, serial port conversion board

CP2104 module USB TO TTL USB TO serial port module UART STC downloader brush cable

3.7V L 9V 5v multimeter modified 18650 lithium battery charging boost discharge integrated adjustable module 2A

New ADXL345 IIC /SPI digital inclination sensor acceleration module

wemos new CP2102NODEMCU fully compatible with the old ESP8266 32m IoT module

STM8S development board core board Learning Board small system board STM8S003F3P6 Development Board

Colorful lights automatic flashing LED module three-color full color for7 color flash module

2A 5V charging and discharging integrated module 3.7V 4.2V 18650 lithium battery charging boost power board protection

GY-45 MMA8451 MMA8452 digital triaxial acceleration module sensor inclination module

Precision 5 V700mA(3.5W) isolated switch power supply module/AC-DC step-down module 220V to 5V

USBHUB USB2.0 HUB usb expansion module 1 minute 4/1 Drag 4/HUB module GL850G module

Two-line DC voltmeter head 0.56-inch LED digital voltmeter DC4.5V-30.0V reverse connection protection

2A 5V charging and discharging integrated module 3.7V 4.2V 18650 lithium battery charging boost power board protection

GY-9960-3.3 APDS-9960 RGB infrared gesture sensing sensing motion direction recognition module

HTTM Series capacitive touch switch button module 2.7 V-6V anti-interference red/blue/yellow/green/color

HX711 load cell dedicated AD module force measuring module dual-channel 24-bit analog-to-digital conversion with shielding

IP5328P Power Bank two-way fast charging module mobile power mainboard 3.7V to 5V9V12V boost

3 feet AMS1117-3.3 AMS1117-5.0 power module 3.3V 5V power module LDO

GY-25 inclination angle sensor module serial port direct output angle data MPU-6050 module

Green board PAM8403 amplifier board Class D 2x3w ultra-miniature digital amplifier board 2.5~5V USB power supply

GY-213v-HTU21D HDC1080 temperature and humidity sensor detection module/for SHT21 SHT20

PAM8302 2.5W single channel Class D Audio Power Amplifier Module Development Board

HTU31D temperature and humidity sensor module high precision temperature and humidity probe HTU21D upgraded version module HTU31

GY-2561 TSL2561 strong light module digital ambient light sensor module TSL2561T

DC-DC USB adjustable step-down power supply voltage regulator module 5V to 1.8v 3.3V 5v 9v 12v 24V

USB DC step-down module 12V24V to QC3.0 fast charge mobile phone charging board support Apple Huawei FCP

Lcd2004 I2C Blue Screen 5V Blue Screen 2004A Lcd Screen J204A Character Display Lcd Module