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Make the world’s cheapest MIDI tester

Make the world’s cheapest MIDI tester

Jesse from Bent-Tronics has posted a tutorial on how to make a DIY MIDI tester:

A quick and dirty (and cheap) MIDI tester.  Sometimes you just need to know if a MIDI controller is outputting anything. Even many high-end MIDI modules/boxes will have a “MIDI Activity” light, just to let you know something is being transmitted/received. That’s what I have made in this video.
Using a sacrificial MIDI cable, an LED, and a 220 Ohm resistor, you too can make this tester/activity light, probably in less than 10 minutes.

More details at Bent-Tronics homepage.

Check out the video after the break.