Make a modern-day telegraph with a Raspberry Pi and a button

Here’s a nice project, but you’ll possibly need access to a laser cutter or CNC machine, or the know-how to get it done for you over the Internet. The Brothers McKenty have taken inspiration from old telegraph machines and built one themselves out of a Raspberry Pi Zero, a nice arcade button and a 3V button. The enclosure is laser cut (although I’m sure you could just hack around a plastic box if you wanted to). Read more over at Make.

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