High-Compatibility R3 Development Board This R3 board is built around the ATmega328P microcontroller and is fully compatible with the IDE, making it ideal for beginners, students, and hobbyists. It supports a wide range of DIY electronic projects, rapid prototyping, and educational applications. Stable ATmega328P Microcontroller Equipped with the reliable ATmega328P chip, this development board offers stable performance, fast response, and excellent processing capability for various embedded and control projects. It is suitable for sensor applications, robotics, automation, and interactive installations. Pre-Soldered Pin Header for Easy Connection The board comes with pre-soldered pin headers, allowing you to directly plug it into breadboards, jumper wires, and without additional soldering. This greatly simplifies circuit building and accelerates your project development process. Included USB Cable for Plug-and-Play Use A matching USB cable is included, enabling immediate connection to your computer for uploading code and serial communication. Just connect, open the IDE, select the correct board and port, and you are ready to program. Compatible with IDE and Libraries Seamlessly works with the IDE and supports a vast ecosystem of open-source libraries and example codes. Whether you are creating LED control, motor control, sensor data acquisition, or IoT , you can quickly get started and iterate. Color: Blue Material: Metal Package Contents: 1*Development board 1*connecting cable 1*pin header Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.