Description

The Wemos D1 Mini is a small Wi-Fi development board built around the ESP8266 microcontroller, offering full TCP/IP networking capabilities. It is breadboard-friendly and programmable via the Arduino IDE. Despite its small size, it provides multiple digital I/O pins, PWM, I²C, and SPI interfaces. It is ideal for IoT devices, smart home projects, Wi-Fi sensors, and automation systems. The board also supports deep sleep mode for low-power applications.

Key Features

• ESP8266 microcontroller with 80 MHz CPU

• Integrated Wi-Fi (802.11 b/g/n)

• 11 digital I/O pins, PWM, I²C, SPI

• USB interface for programming and power

• Breadboard-friendly compact form factor

• Supports Arduino IDE and NodeMCU firmware

• Deep sleep mode for low-power IoT applications

Variants

• Wemos D1 Mini (standard)

• Wemos D1 Mini Pro (with external antenna for longer range)

Specifications

Applications

• IoT sensors and devices

• Home automation systems

• Wi-Fi-enabled robots and gadgets

• Smart switches and relays

• Wireless data logging

Compatible Boards / Circuits

• Arduino IDE for ESP8266

• Compatible with Wemos shields and accessories

• Can interface with sensors, relays, and displays