Feather Boards

Adafruit Feather is a complete line of standalone and stackable development boards. The Adafruit Feather product line includes basic boards, data loggers, BLE and Arduino compatible boards, and HUZZAH ESP8266 WiFi development boards. Flexible and portable, the Feather boards are powered by lipo batteries for on-the-go use or by micro-USB plugs for stationary projects. To support portable projects, the Feather Boards include a connector for Adafruit 3.7V lithium polymer batteries and built-in battery charging.