#RaspberryPi-powered Antique Telegraph Sounder dings when a sale is made

Concept to Finished Piece – Generations of an Electronics Project » Techspeak

Patrick Schless has been working for the last 9 months on a project involving an antique telegraph sounder and a Raspberry Pi. He’s created a PCB to handle the interface between the Pi and the sounder and written code to detect when a sale is made through his Etsy store. See the finished project write-up here

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