#arduino #analog #microphone #vumeter #KY037
How to apply vu meter with Arduino. As in the previous video, we will use one of the AnalogInput inputs again. We will connect a microphone to the A1 input. The KY037 microphone module is suitable for this job.
The analog signal received from the microphone at the input is converted to a value between 1 and 8 with the map command. It is sent to the leds with the digitalWrite command.
We will see how the sounds from an FM radio affect the vu meter.
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