As you can see here, it takes the combined efforts of 3 small, low-cost Linux running computers for me to tell time 🙂 The Pi in the blue Pi shell has an ultimate GPS soldered onto a custom stripboard PCB that exports its time via NTP. The only things here I didn’t purchase from Adafruit are the Ethernet cables and the Linksys router, turned wireless bridge that connects it all to my network.
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Here are the instructions/code I used for the two different projects I’ve combined here: