Hardware projects tagged frequency-measurement

Open hardware projects tagged frequency-measurement on BoardRepo, the GitHub for hardware. View schematics and PCBs in the browser and download the sources.

Projects

1 board

mainsfrequencymonitor

@qeteshpony

Single board solution to power an ESP32 and use it to measure the mains frequency through an optoisolator

schematicpcbbomfusecapacitorpotentiometerresistor

BSD-2-Clause00Jul 9, 2026

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