I'm a scale technician working on customers truck scale and stumbled upon some forbidden coffee. Replaced the board and did a little waterproofing it's all good now :)
I bought a 5 dollar keyboard from a garage sale and it had motherboard damage and after playing a few notes it would start screaming random noises
In this recent lesson, my class learns about how to code and add delay on the buzzer, so one of my SMART friends made this music.