1pcs ESP32-CAM WiFi Module ESP32 serial to WiFi ESP32 CAM Development Board 5V For Bluetooth with GC2640 Camera Module

$0.37

TZT PCF8574 PCF8574T I/O For IIC I2C TWI SPI Serial Interface Board Port LCD1602 LCD2004 Adapter Plate LCD Adapter Module

$0.37

TZT PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module

$0.39

TZT TCA9548A 1-to-8 8 Way I2C 8-channel Multi-channel Expansion Board IIC Module Development Board 9548 For Arduino

$0.39

ESP8266 ESP-01S 5V WiFi Relay Module Things Smart Home Remote Control Switch for Arduino Phone APP ESP01S Wireless WIFI Module

$0.41

TZT Pro mini Atmega328P Pro Mini 328 Mini ATMEGA328 3.3V 8MHz 5V 16Mhz for Arduino Compatible Nano CP2102 FT232RL

$0.41

TZT Buzzer Shield V1.0.0 for WEMOS D1 mini

$0.42

TZT 1PCS PCF8574 PCF8574T I/O for I2C Port Interface Support Cascading Extended Module

$0.42

TZT For Raspberry Pi 3 CPU Fan Active Cooling Fan for Customized Acrylic Case Support raspberry pi model B Plus B+/Raspbery Pi 2

$0.42

TZT BMP180 Replace BMP085 Digital Barometric Pressure Sensor Module FOR WeMos D1 mini WIFI extension board learning board

$0.44

TZT DS18B20 temperature sensor module measurement module for WEMOS D1 mini WIFI extension board learning board

$0.45

ESP32 For Wemos D1 Mini For Arduino UNO R3 D1 R32 WIFI Wireless Bluetooth Development Board CH340 4M Memory One

$0.46

TZT ESP01 Programmer Adapter UART GPIO0 ESP-01 Adaptater ESP8266 CH340G USB to ESP8266 Serial Wireless Wifi Developent Board

$0.49

TZT TLP281 4 CH 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation 4 Channel

$0.49

TZT STM8S003F3P6 STM8S103F3P6 system board TYPE-C STM8S STM8 Development Board Minimum core board For arduino STM DIY KIT

$0.50

TZT For Raspberry Pi 3 4 B Heatsink Copper Aluminum Heatsink Radiator Cooler Kit For Raspberry Pi 3B+ Plus 2 4 4B Heat Sink

$0.50

TZT STM8S103F3P6 System Board STM8S STM8 Development Board Minimum Core Board For Arduino STM DIY KIT

$0.50

TZT Battery Shield V1.1.0 For WEMOS D1 mini single lithium battery charging & boost

$0.52

TZT DHT Shield For WEMOS D1 mini ESP32 MINI DHT11 Single-bus digital temperature and humidity sensor module sensor wifi temperature

$0.53

TZT 1pcs Mini 4CH 4 Channel Motor Drive Driver Shield L293 L293D Expansion Board Module

$0.55