Measure AC voltage and frequency with Arduino - Accurate & Stable @simple-circuit

Measure AC voltage and frequency with Arduino - Accurate & Stable @simple-circuit

Uploaded July 2023 | Updated September 2026, 3 weeks ago

AC Voltage & Frequency Measurement with Arduino. Circuit diagram and Arduino code at:
simple-circuit.com/arduino-ac-voltage-frequency-measurement-project-with-lcd-circuit

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Measure AC voltage and frequency with Arduino - Accurate & Stable