Thank the Old-Timey Telegraph for Your Garage Door Opener – OurNewsBytes.com

Thank the Old-Timey Telegraph for Your Garage Door Opener

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Thank the Old-Timey Telegraph for Your Garage Door Opener

Thank the Old-Timey Telegraph for Your Garage Door Opener

January 21, 2019 by No comment(s) Tech Dot Physics, electricity

Thank the Old-Timey Telegraph for Your Garage Door Opener

The electric relay makes all kinds of household devices possible, but they don’t get much love. Until now!

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