Arduino Development Board Module ESP8266 with WiFi OLED.

The Bluetooth Module 4.0 BLE Micro EVB can be easily placed on your PCB card, just ignore problems such as "how to design an antenna", "how to make a bluetooth chip work" and so on. The Bluetooth 4.0 BLE Micro EVB Module is perfect for portable projects. With it, you can use Android or IOS devices to communicate with your clothes!

The Console Module with Buttons for Micro: Bit is an expansion gamepad based on micro: bit. You just need to connect the micro: bit, and it will turn into a wireless remote control or a wireless gaming console.

Development Board ESP32-DEVKITC-S1.

This is a 1.8" Colorful Display Module designed for the BBC micro:bit.

The SparkFun weather:bit  is a fully loaded “carrier” board for the micro:bit that, when combined with the micro:bit, provides you with a fully functional weather station.

The ESP8266 Thing is a breakout and development board for the ESP8266 WiFi SoC – a leading platform for Internet of Things (IoT) or WiFi-related projects. The Thing is low-cost and easy to use, and Arduino IDE integration can be achieved in just a few steps.