Adafruit Feather HUZZAH ESP8266 Wi-Fi Development Board BLE Micro - Super Compact BLE Module It supports the use of

It supports the use of almost all devices

It's a diode with an integrated driver

This item contains 3 heat sinks of varying sizes perfect for the Raspberry Pi's chips

100VAC up to 240VAC input

or when battery removed

Adafruit Feather HUZZAH ESP8266 Wi-Fi Development Board BLE Micro - Super Compact BLE Module It supports the use ofAdafruit Feather HUZZAH with ESP8266 is an official Adafruit product available from Circuitrocks, an official distributor of Adafruit. A Feather format ESP8266 WiFi development board with USB, LiPo charging, and a compact portable friendly layout. Why choose this Adafruit board or module? ESP8266 WiFi in Feather form factor Built in LiPo charging Native Feather ecosystem compatibility What you can build Portable IoT devices, Battery powered WiFi