Reads temperature and controls a fan using a PWM output, fan and alarm set point can be adjusted and is shown on a LCD. Uses an AVR ATmega8 microcontroller.
Emergency power off controller — controlled by 555 timers
Emergency stop controller for the rack box project. Uses two 555 timers.
Bilge pump controller for my dad’s sail-boat
Auto and manual override control of a boat pump that I built for my dad’s sail-boat.
Controller for lights and relays — AVR driven
Control three lights or relays, with toggle switches and status LEDs. Uses an AVR ATtiny2313 microcontroller.
Module heartbeat monitor, 6 inputs — AVR
Detects and alerts if any of the monitored modules goes silent; meaning their heartbeat stops. Uses an AVR ATtiny2313 microcontroller.