Radio frequency remote control testing with a multimeter , here's the trick

LPT : To know if the battery of your remote controller is still good, just look at the transmitter with your phone camera : r/LifeProTips

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How to Use Multimeters Effectively

How to use a multimeter to measure frequency - Quora

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How to Use (and Choose) a Multimeter! : 6 Steps (with Pictures) - Instructables

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Fluke 289 CAL True-RMS Electronics Logging Multimeter with TrendCapture, calibrated traceable with data

Mooshimeter: The 'Why Didn't I Think Of That' Multimeter

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