Module heartbeat monitor, 15 inputs — LCD and AVR

Electronics 2007-01-31 4 min read

Detects and alerts if any of the monitored modules goes silent; meaning their heartbeat stops. Uses an AVR AT90S8515 microcontroller.

Module heartbeat monitor, 6 inputs — AVR

Electronics 2006-06-15 3 min read

Detects and alerts if any of the monitored modules goes silent; meaning their heartbeat stops. Uses an AVR ATtiny2313 microcontroller.