Optimized firmware for RepRap 3D printers based on Arduino platform
ECG Logger is a complete Holter system incl. device and firmware.
Arduino Ethernet library for communicating with S7 Siemens PLC
Very cheap chain oiler based on the Digispark
Re-imagining of Heisermann's classic Self-Programming Robot
Aquarium control system based on the Arduino platform
Arduino libraries
Arduino based software for a model rocket control computer