Simple DMX Signal Locator

If you spend much time involved with lighting in a production environment you can understand how useful it can be simply to know if DMX signaling is present at any given location. Luckily, on the internet you can find instructions for building your very own simple DMX tester. As desribed this “keychain DMX tester” will test for the existance of DMX signal voltage and signal polarity. While not especially complex, this simple pocket tool is bound to come in handy if you spend much time troubleshooting DMX lighting control.

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