freeRTOS for Arduino Uno, Goldilocks 1284p & Mega 2560
Arduino Mega 2560 + Ethernet Shield to Drive 8 Relays for MFJ-993b
Grbl extension to 4 axes
Simple in use library to display dumps and debug Arduino sketches.
Arduino and Silicon Laboratories Si4735 radio library
Arduino control of MCS2100-LTS-50W treadmill controller
Modular CNC software for Arduino controller
Software for controlling a diy foam cutter machine