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Audio Engineer Cable Tester — image 1
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Audio Engineer Cable Tester

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Use this cable tester to find bad audio cables quickly. Or the good ones :D

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Model information

Category
Audio
License
Creative Commons — Attribution — Noncommercial — Share Alike

I work as the “audio engineer” for my local youth group. After years (possibly decades) of abuse our cables were starting to show signs of age. To make it easier for me to find the bad ones I created this cable tester.

It allows for testing

  • 3-Pin XLR,
  • NL2 SpeakOn
  • NL4 SpeakOn
  • ¼" Jack (TRS / TS)

cables.
If you get creative with adapters you might be able to test even more cables.

I'm using an Arduino Nano as the brain of the tester and a cheap monochromatic OLED-Screen as an output.

The full project description can be found on my GitHub. There I have the full Arduino code, and more explanations of wiring and using the tester.

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