How Does Clock 2 Turn GNSS Pulses Into a W5500 Ethernet Time Server?
Clock 2 combines GNSS timing, an ESP32-S3 and W5500 Ethernet to serve local NTP time, with PoE power, OLED status and browser diagnostics.
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Components
Hardware components
WIZnet - W5500
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Onboard SPI Ethernet controller on the Waveshare ESP32-S3-ETH; carries NTP and local web traffic.
Project description
A satellite clock for the local network Clock 2 is a GNSS-disciplined Network Time Protocol (NTP) server published by GitHub maker HouseOfBeck in August 2026. The project combines an ESP32-S3, a satellite receiver and W5500 Ethernet to give computers on a local network a common time reference. Its August 28 update added a browser console, reception diagnostics and local firmware updates. The repository includes firmware, assembly notes, working-device photographs and a measured client session. GNSS means global navigation satellite system. A receiver supplies both a date-and-time message and…
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