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! 🚀

microcontroller i2c graphics stm32 embedded-systems c-language led-matrix ili9341 mpu6050 tft-display educational-project uart-communication uart-communication-protocol

• Updated Aug 21, 2025
• C

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

embedded-systems flow-control pc-link-uart uart-communication-protocol

• Updated Mar 28, 2021
• C

CH32X033 as a USB multitool that allows you to configure pin, UART, SPI, and I2C settings through a terminal.

spi-interface i2c spi uart i2c-bus cdc uart-interface i2c-protocol uart-bridge spi-protocol wch uart-communication uart-communication-protocol ch32 wch-link ch32x035 ch32x033

• Updated Oct 5, 2025
• C