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Tag: power bank

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Converting the LED sign to use USB power

So this is a continuation of my first video about this small LED text sign. Today I am just converting it to accept USB power, because who doesn’t have a spare USB power supply. Chapters: 00:00 Intro 00:30 Minimum acceptable voltage 02:06 Why your phone charge slowly 04:00 Sacrificing the USB cable 08:30 Salvaging the 12 volt connector 11:18 Soldering the cables together 19:50 heat shrink tubing shrunk 20:56 Will it work?