
The Uno + WiFi R3 ATmega328P + ESP8266 Development Board combines the functionality of an Arduino Uno and an ESP8266 WiFi module on a single board, providing a powerful solution for IoT, automation, and wireless communication projects. The board integrates the ATmega328P microcontroller with the ESP8266 WiFi SoC, enabling users to develop standalone Arduino applications, WiFi-enabled projects, or combined systems that leverage both processors.
A built-in USB-to-Serial interface allows easy programming and communication, while DIP switches enable flexible configuration for uploading code to either the ATmega328P or ESP8266. The board maintains compatibility with the Arduino Uno R3 form factor and shields, making it suitable for rapid prototyping and educational applications.
With onboard WiFi connectivity, multiple operating modes, and support for the Arduino IDE, this development board is ideal for smart home systems, IoT devices, wireless sensors, robotics, and cloud-connected projects.