Compatible with Arduino NANO
All digital and analog pins breakout
Compact size.
Leads all pins out, convenient for wiring, and doing experiments.
Dimensions: 53 x 36 x 12 (LxWxH) mm.
Weight: 22 gm.
It is a customized version of the classic ARDUINO MEGA R3 board. Full integration of Atmel ATmega2560 microcontroller and ESP8266 Wi-Fi IC, with 32 Mb (megabits) of flash memory, and CH340G USB-TTL converter on a single board! All components can be set up to work together or independently.