The D1 Mini V2 NodeMCU 4M Bytes Lua WiFi Internet of Things Development Board is based on the ESP8266.

It is a mini WiFi board featuring the ESP-8266EX WiFi-SoC.

The board has 11 digital input/output pins, with support for interrupt, PWM, I2C, and one-wire protocols (except for D0).

Includes 1 analog input with a maximum input of 3.3V.

Features a micro USB connection for power and programming.

Pre-flashed with the latest firmware for quick setup and programming.

Can connect to a local network with minimal coding for control by other networked devices.