Adafruit QT Py,SAMD21 Development Board With Stemma QT,Arduino Compatible,4600

OTA D1 CH340 WiFi ESP8266 ESP-12F Board WeMos Compatible with Arduino UNO R3 IDE

*2 units* WeMos D1 CH340 WiFi Board ESP8266 ESP-12F compatible w Arduino UNO IDE

NodeMCU ESP8266 Development Board 0.96'' OLED Display for Arduino /Micropython

Adafruit TFT Gizmo

Adafruit CPE Enclosure

MikroElektronika Clicker 2 seater MCU Development Board fast click board rrp £93

Sparkfun SAMD21 Mini Breakout ( SparkFun DEV-13664 )