Electronic switch for LED lights, 4 channels, 9 to 24 volts in, 5 volts out. Uses an AVR ATtiny2313 microcontroller.
AVR alarm disabling unit for production equipment with long stop warning
Simple unit to silence the audible alarm on a production equipment, additional warning if not resolved within 30 or 60 minutes. Uses an AVR ATtiny2313 microcontroller.
AVR mood light, 100mA per channel
Simple mood light controller with three PWM channels, max 100 mA per channel. Uses the AVR ATmega8 microcontroller.
Module heartbeat monitor, 15 inputs — LCD and AVR
Detects and alerts if any of the monitored modules goes silent; meaning their heartbeat stops. Uses an AVR AT90S8515 microcontroller.
Electric heater and timer controller — AVR
Controls an electric heater, and has a simple 15 minutes timer. Uses an AVR AT90S2313 microcontroller.