WeMos ESP8266 D1 R2 V2.1.0 Wi-Fi Development Board

WeMos ESP8266 D1 R2 V2.1.0 Wi-Fi Development Board

The WeMos D1 R2 V2.1.0 is an ESP8266-based Wi-Fi development board designed for IoT (Internet of Things) applications. It combines the powerful ESP8266 Wi-Fi module with the Arduino Uno form factor, providing an easy-to-use platform for IoT, automation, and embedded systems projects.

Compatible with the Arduino IDE, this board allows developers to program it easily using familiar Arduino functions while taking full advantage of the ESP8266’s built-in Wi-Fi connectivity. It features a micro-USB interface, 5V/3.3V logic compatibility, and multiple GPIO pins, making it a perfect choice for prototyping, smart devices, and wireless control systems.

With its compact design, stable performance, and full Wi-Fi capabilities, the WeMos D1 R2 is an ideal board for both beginners and professionals working on IoT automation, remote monitoring, and wireless data logging projects.

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Features:

• Microcontroller: ESP8266EX (32-bit Tensilica CPU)
• Operating Voltage: 3.3V (5V tolerant pins)
• Input Voltage (recommended): 7V – 12V DC via barrel jack or 5V via USB
• Flash Memory: 4MB
• Digital I/O Pins: 11
• Analog Input Pins: 1 (10-bit ADC)
• Clock Speed: 80 MHz / 160 MHz (selectable)
• Wi-Fi Standard: 802.11 b/g/n (2.4GHz)
• Interface: Micro-USB for programming and power
• Compatibility: Fully compatible with Arduino IDE and NodeMCU (Lua)
• Board Format: Arduino UNO R3 compatible pin layout
• Dimensions: Compact design for breadboard and prototype use

Applications:

• IoT Projects: Remote sensing, smart home automation, and connected devices
• Wi-Fi-Enabled Control: Wireless data logging, relay control, and monitoring
• Smart Home Systems: Light, temperature, and security automation
• Industrial IoT: Wireless data acquisition and control systems
• Educational Projects: Ideal for students learning IoT and embedded development
• DIY Electronics: Perfect for hobbyists and makers building connected devices

* Product image for illustration purposes only, actual product may vary.