Adafruit Feather Stacking Headers - 12-pin and 16-pin female headers [ADA2830]
Adafruit FeatherWing OLED - 128x32 OLED Add-on For All Feather Boards [ADA2900]
FeatherWing Doubler - Prototyping Add-on For All Feather Boards
Bluetooth / 802.15.1 Development Tools Adafruit Feather 32u4 Bluefruit LE
Battery Packs Lithium Ion Polymer Battery 3.7V 1200mAh (1 piece)
HiLetgo New Version NodeMCU LUA WiFi Internet ESP8266 Development
Development Boards & Kits - ARM Adafruit Feather M0 Adalogger
Adafruit Ultimate GPS FeatherWing
Bluetooth / 802.15.1 Development Tools Adafruit Feather M0 Bluefruit LE
Adalogger FeatherWing - RTC + SD Add-on For All Feather Boards