RPEN - Connected Pen 🖊️✨ A smart pen that lets you write or draw remotely on a TFT screen via Bluetooth. Features include customizable colors and sizes, motion detection with MPU6050, and real-time feedback via RGB LED. Built with a Bluepill microcontroller, it's perfect for education and creative projects. Open-source and innovative! 🚀

A software pattern used to transfer data from microcontrollers and some form of personal computer (PC, notebook or similar) using UART communication protocol.