Controls an electric heater, and has a simple 15 minutes timer. Uses an AVR AT90S2313 microcontroller.
Power supply and fuse monitoring module, AVR
![Power supply and fuse monitoring module, AVR](https://blog.cavelab.dev/2006/04/avr-power-fuse-monitoring/cover_hua1789308163ca4a82d26cc699f4ea02d_156859_860x0_resize_q80_lanczos.jpg)
Simple monitoring module for the essentials in the rack box project; power supplies, fuses and communication. Uses an AVR AT90S2313 microcontroller.
AVR production line stop alarm
![AVR production line stop alarm](https://blog.cavelab.dev/2004/04/avr-production-line-alarm/cover_hu2a633e1f9173d6b15cb4f2b659309407_136805_860x0_resize_q80_lanczos.jpg)
Simple alarm circuit to monitor up to eight inputs, from e.g. production equipment. If any inputs are triggered an alarm is sounded. Uses the AVR AT90S2313 microcontroller.