Updated: October 1, 2026The WeMos D1 Mini is a compact ESP8266 development board with 11 digital I/O pins, one analog input, and built-in WiFi. This guide covers the complete WeMos D1 Mini pinout, including the D0–D8 to ESP8266 GPIO mapping, I2C, SPI, UART, ADC, power and boot pins. After the pinout reference, we’ll also set … Continue reading WeMos D1 Mini Pinout and Getting Started Guide