WeMos ESP8266 D1 R2 Board – V2.1.0 WiFi Development Module for Arduino IDE

The WeMos ESP8266 D1 R2 Board – V2.1.0 WiFi Development Module for Arduino IDE is an advanced IoT-ready development board based on the powerful ESP8266EX microcontroller. With full compatibility with Arduino IDE and NodeMCU, this board is ideal for WiFi-enabled projects and embedded IoT applications.

Shaped like an Arduino UNO, it combines the ease of Arduino layout with the wireless power of the ESP8266 chip. It comes with 4MB flash memory, 11 digital I/O pins (including interrupt, PWM, I2C, and one-wire capabilities), and a dedicated analog input pin. Powered by an onboard switching power supply, it accepts input voltages from 9V to 12V, making it suitable for both USB and external DC power sources.

🔧 Key Features

• Powerful ESP8266EX microcontroller for WiFi applications
• Compatible with Arduino IDE and NodeMCU firmware
• 11 digital I/O pins + 1 analog input pin
• 4MB flash memory for advanced programming
• Micro-USB connector for programming and power
• On-board 3.3V regulator with input support up to 12V

📐 Technical Specifications

📌 Applications

• IoT Projects – Perfect for smart home and automation tasks
• Wireless Sensor Networks – Easily collect and transmit data wirelessly
• Prototyping – For engineers and developers building WiFi-connected devices
• Education & Learning – Ideal for learning embedded programming and networking

💡 Why Choose the WeMos D1 R2?

This board offers a unique combination of Arduino simplicity with ESP8266 performance. With its onboard voltage regulator, wide I/O support, and robust compatibility, it’s a perfect fit for WiFi-enabled embedded projects that demand low cost and compact size without compromising capability.

📦 Package Includes

• 1 × WeMos ESP8266 D1 R2 V2.1.0 WiFi Development Board