WeMos D1 Mini Pro ESP8266 + Antenna

The D1 mini is one of the smallest ESP8266-based development boards, is slightly larger than the processor itself and includes a microUSB connector for programming, and standard pins for accessing GPIOs. And, to top it off, it supports a multitude of expansion shields. It is programmable using the Arduino IDE. This Pro version differs from its sister D1 Mini in that it includes 16MB of memory and not 4MB, also has connector for external antenna.

Features:

Power supply: 3.3V

Speed: 80/160 MHz

Flash memory: 16MB

Digital Inputs / Outputs: 11 (all with PWM, except D0)

Analog inputs: 1

Documentation:

More information:

WEMOS D1 MINI, A COOL DEVELOPMENT BOARD WITH ESP8266.