Hackaday (unofficial) February 15, 2022 10:00am Accurately Track Your Mains Frequency #clockhacks #mainsfrequency #powergrid #teensy #hackaday posted by pod_feeder_v2 Accurately Track Your Mains Frequency Depending upon where in the world you live, AC mains frequency is either 50Hz or 60Hz, and that frequency is maintained accurately enough over time that it can be used as a time reference for a clo…
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