Stack lights and horn controller — with AVR

Stack lights and horn controller — with AVR

A control module for a green, yellow and red stack light, and signalling horn. Uses an AVR ATtiny2313 microcontroller.

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Monitored fuse box, 6 channels

Monitored fuse box, 6 channels

A monitored fuse box that used to be installed in my rack box project, with 6 channels and 12 fuses.

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Power supply and fuse monitoring module, AVR

Power supply and fuse monitoring module, AVR

Simple monitoring module for the essentials in the rack box project; power supplies, fuses and communication. Uses an AVR AT90S2313 microcontroller.

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Simple IO tester with 6 channels

Simple IO tester with 6 channels

A simple box with LEDs and switches to test digital inputs and outputs.

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Wooden 2-post open rack frame

Wooden 2-post open rack frame

My first “rack” was made of wood. It monitored, meaning displayed and alerted, on some metrics on my Linux server. And controlled a few lights and the alarm system in my room.

I really enjoyed making the computer control the lights.

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