2019-12-22 (Su) MIDIGlocken

I thought the microcontroller was resetting because it was starved for power when it activated a relay, so I reconnected the power wires to a micro USB breakout board. This did not solve the problem, so I put that problem aside. One issue I could tackle was that the fourth button would not register. This input connected to the same pin as the onboard LED, so I removed that with a soldering iron.
LED removed from board

All of the yellow buttons showed up in software, and I already swapped the sixth and seventh in software so every relay could trigger, but I noticed the unit only reset when I had 32 volts on the relay line pins.
Relays triggered by buttons

The rest of the posts for this project have been arranged by date.
First time here?

Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6

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