I'm an uber-beginner, so please bear with me. I'm trying to convert MIDI to serial to control a set of four relays for a guitar amp switcher. The goal is to make the circuit as compact as possible, and eventually burning the bootloader onto a separate atmega chip, so I can use the Arduino (Uno rev3)…

MIDI to relay help... (glockenspiel pde)

system October 15, 2012, 1:48am 6

Just thought I'd chime in and report that there was an issue with the hardware.

This setup worked, which I found on instructables:

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