The Wemos D1 R2 ESP8266 WiFi UNO Development Board is a versatile microcontroller board that combines the functionality of an Arduino UNO layout with the wireless capability of the esp8266 wifi module. It is designed to simplify IoT development by integrating WiFi connectivity directly into the board.
this ESP8266 WiFi Board enables internet connectivity for applications such as remote monitoring and control. It features 4MB flash memory, allowing sufficient space for firmware, web servers, and data logging.
The board is compatible with Arduino IDE, making it easy for developers familiar with arduino platforms to start working with wireless projects. Its pinout allows reuse of existing shields and modules with minimal modification.
StemVolt offers this board for IoT developers and Makers including smart home systems, automation, and wireless sensor networks.
Related Products:
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Checkout The NodeMCU ESP8266 CH340 WiFi Development Board for smart projects
Features:
- Integrated ESP8266 WiFi module for wireless communication
- Arduino UNO compatible pin layout for easy expansion
- Fully compatible with the Arduino IDE and NodeMCU
- Multiple GPIO pins with PWM and communication support
- 4MB flash memory for advanced applications
Technical Specifications:
| Specification | Details |
|---|---|
| Microcontroller | ESP8266 |
| Operating Voltage | 3.3V |
| Digital I/O Pins | 11 (PWM/I2C/Interrupt support) |
| Analog Input Pins | 1 (Max 3.2V) |
| Flash Memory | 4MB |
| Input Voltage Range | 9V to 12V |
| Output | 5V at 1A Max |
| Compatibility | Compatible with Nodemcu esp8266 |
Applications:
- IoT systems using ESP8266 WiFi Board
- Smart home automation and control projects
- Remote monitoring using esp8266 wifi module
- Prototyping with Wemos D1 and UNO shields
Package Includes:
- 1 x Wemos D1 R2 ESP8266 WiFi UNO Development Board


















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