Open source minimal stack for the ch32 and ch5xx WCH RISC-V
Open source flash program for STM32 using the ST serial bootloader
A tiny C header-only risc-v emulator.
Atari 8-bit disk emulator
C-level driver collection for MSP430 and derivatives
X-hyp free Hypervisor
a computer interface to the Arduino I/O digital lines
UART Data Communication Over a Fiber Network
Several joysticks connected to UART/LAN
Simple AVR OS