How to calibrate the drone current sensor? Clamp meter and charger methods

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Betaflight or INAV mAh counter is a nice feature. Usually, the current meters on our drones and airplanes are calibrated. Or, at least, the calibration factor is known, and if you enter it in the correct field, everything works just fine. Sometimes, however, the current sensor is off, and you have to calibrate it! Here are two sensor calibration methods: one with a clamp meter with a DC option and the second one that uses a LiPo charger.
Both of those methods work with all flight controller software: Betaflight, INAV, EmuFlight and Ardupilot

Clamp Calibration Spreadsheet https://bit.ly/3c9L52q
Charger Calibration Spreadsheet https://bit.ly/3calOVT

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0:00 Intro
1:36 Calibration with a clamp meter
6:47 Current Scale Calculator - Clamp Meter
7:18 Calibration with a LiPo charger
10:08 Current Scale Calculator - Charger
10:51 Summary

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Видео How to calibrate the drone current sensor? Clamp meter and charger methods канала Paweł Spychalski