https://github.com/qeteshpony/mainsfrequencymonitor

Single board solution to power an ESP32 and use it to measure the mains frequency through an optoisolator
https://github.com/qeteshpony/mainsfrequencymonitor

esp32 frequency-measurement mains-voltage open-source-hardware

Last synced: 11 days ago
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Single board solution to power an ESP32 and use it to measure the mains frequency through an optoisolator

• Host: GitHub
• URL: https://github.com/qeteshpony/mainsfrequencymonitor
• Owner: Qeteshpony
• License: bsd-2-clause
• Created: 2024-05-26T13:51:08.000Z (about 2 years ago)
• Default Branch: main
• Last Pushed: 2024-08-29T23:37:11.000Z (almost 2 years ago)
• Last Synced: 2026-03-01T19:24:25.888Z (4 months ago)
• Topics: esp32, frequency-measurement, mains-voltage, open-source-hardware
• Homepage: https://qeteshpony.github.io/MainsFrequencyMonitor/
• Size: 153 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE-BSD-2-Clause

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README

          
# Mains Frequency Monitor

**Part of the board has mains voltage on it so it is dangerous to handle the board outside of a proper case while powered! It lies in your own responsibility to use proper safety precautions when working on this project!**

[![CI](https://github.com/Qeteshpony/MainsFrequencyMonitor/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/Qeteshpony/MainsFrequencyMonitor/actions/workflows/ci.yml)

![3D Render](https://qeteshpony.github.io/MainsFrequencyMonitor/3D/MainsFrequencyMonitor-3D_top.png)

[Hardware Documentation](https://qeteshpony.github.io/MainsFrequencyMonitor)

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