How to Build a Low-Cost Stratum 1 PTP Grandmaster Clock

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A technical guide published on opscode.io details how to build a Stratum 1 Precision Time Protocol (PTP) Grandmaster clock on a budget. The project uses a Raspberry Pi Compute Module 4 (CM4) paired with an SR1723U10 board. The build aims to provide highly accurate network time synchronization typically found in enterprise hardware, but at a fraction of the cost. The article has garnered early attention on Hacker News, where it was shared as a practical resource for networking and hobbyist communities.

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