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5pcs Micro Switch 2x4 Matrix Keyboard 8 Bit Keyboard External Keyboard Expansion Board Module

5Pcs Mega2560 1280 Protoshield V3 Expansion Board With Breadboard For Arduino

5pcs Lithium Battery Power Expansion Board for Raspberry/Mobile Phone

5pcs I2C 8-bit I/O Expander Module PCA8574AD Expansion Board RobotDyn for Arduino - products that work with official for Arduino boards

5Pcs Geekcreit ESP8266 ESP-01 ESP-01S WS2812 RGB LED Lamp Module Support for IDE Programming

5pcs Extend Serial IO I/O Module Grove I2C Interface Expansion Board for ESP32 Development Board Module IoT

5pcs ESP8266 WIFI Development Board Base Expansion Board V3 Backplane Geekcreit for Arduino - products that work with official Arduino boards

5Pcs ESP8266 ESP-01 ESP-01S DS18B20 Temperature WiFi Wireless Node Module Internet of Things

5pcs ESP32 ESP32S 0.5A Micro USB Charger Board 18650 Battery Charging Shield For Arduino

5pcs Data Logger DataLog Shield MicroSD-card + DS1307 RTC Module RobotDyn for Arduino - products that work with official for Arduino boards

5pcs Clock Shield RTC DS1307 Module Multifunction Expansion Board with 4 Digit Display Light Sensor and Thermistor OPEN-SMART for Arduino - products that work with official for Arduino boards

5pcs 9Pin USB Header Male 1 to 2 Female Extension Splitter Cable 9 Port Multiplier Board

5pcs 4x5 20 Button Display Membrane Switch Matrix Keyboard Button Control Panel with Light

5pcs 12mm Coin Cell Expansion Board CR1220 Button Battery Holder

50pcs Display Membrane Switch Matrix Keyboard Button Control Panel 6 Button with Light

4x5 20 Button Display Membrane Switch Matrix Keyboard Button Control Panel with Light

3st PCF8574 PCF8574T I / O fr I2C IIC Port Interface Support Cascading Utvidgad Modul Expansion Board Hg Lg Niv

3pcs Wemos SHT30 Shield V2.0.0 SHT30 I2C Digital Temperature And Humidity Sensor Module For D1 Mini

3pcs WIFI D1 Mini ESP-07 Shield Expansion Board For Arduino

3Pcs Wemos WS2812B RGB Shield Module For WeMos D1 Mini

3Pcs Wemos ESP32 ESP32S 18650 Battery Charge Shield V3 Micro USB Type-A USB 0.5A Test Charging Protection Board For Raspberry Pi Arduino

3pcs Wemos Battery Shield V1.2.0 For Wemos D1 Mini Single Lithium Battery Charging & Boost Module

3Pcs Wemos Tripler Base Socket V1.0.0 For WEMOS D1 Mini

3Pcs Wemos RTC DS1307 Real Time Clock + Battery Shield For WeMos D1 Mini

3pcs USB Adapter Board Micro USB to USB Female Connector Male to Female Header 4P 2.54mm

3pcs Sensor Base Shield For Sensor IO Expansion Board Base Module OPEN-SMART for Arduino - products that work with official for Arduino boards

3pcs RobotDyn 2GB Micro SD Card Module For Uno Mega Leonardo Nano ProMini 8bit Microcntrollers

3pcs OPEN-SMART Multifunctional GPIO Expansion Shield Adapter Board

3pcs Nano V3.0 Terminal Adapter AVR ATMEGA328P with NRF2401+ Expansion Interface DC Power Board