A PTP Wall Clock is impractical and a little too precise
Read OriginalThis article provides a detailed tutorial on building a PTP (Precision Time Protocol) wall clock, inspired by a conference talk. It covers the required hardware (Raspberry Pi 4, Adafruit HAT, LED matrices), the physical assembly, and the software setup to display highly precise, network-synchronized time. The project is presented as a technical DIY guide for hobbyists interested in networking protocols and hardware interfacing.
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