The bare ESP boards are intentionally skipped, because usually those can be handled as an active component only.
- Feather Huzzah with ESP8266 Officially Supported
Adafruit Feather footprint, USB-Serial, power supply (USB and LiPo including charging circuitry)
Suppliers:- Worldwide: Digikey
- Europe (Germany): EXP-Tech
- Europe (UK): Makersify
- United States: Adafruit directly
- Huzzah ESP8266 Breakout Officially Supported
Plain breakout, pin-based power supply (3-12V), voltage level conversion on external utility pins
Suppliers:- Worldwide: Digikey
- Europe (Germany): EXP-Tech
- Europe (UK): Amazon, Pimoroni, Cool Components
- United States: Adafruit directly
- NodeMCU v2
USB-serial, power-supply (USB 5V), 2 buttons
Suppliers:- Europe (Germany): EXP-Tech
- Olimex MOD-WIFI-ESP8266-DEV
Plain breadboard-friendly breakout board, no buttons, 1 user-LED, open-source hardware license
Suppliers:- Europe (Bulgary): Olimex directly
- Olimex ESP8266-EVB-BAT
Relay 220VAC/10A; power jack (5V); LiPo battery connector and charging circuitry; open-source hardware license
Suppliers:- Europe (Bulgary): Olimex directly