The D1 Mini WiFi Development Board is a compact, ESP8266-based microcontroller perfect for IoT, automation, and smart projects. It features built-in WiFi 802.11 b/g/n, operates at 3.3V, and is powered via Micro-USB (5V input). With 11 digital I/O pins, analog input, and full support for Arduino IDE, it’s ideal for wireless control systems, home automation, and sensor-based projects.

Small in size but big in performance, it supports OTA (Over-the-Air) programming, and is fully compatible with NodeMCU, MicroPython, and other open-source platforms.