500, if you are also watching Serial Monitor (inital adjustment), or, Serial Plotter (the latter is prefererd for observation). Special thanks to user CRomer, for his input and hard work! int ...
Requires: 8x8 Neopixel Matrix connected to digital pin 2 Arduino Sound Sensor connected to analog pin 0 optional LED or laser diode connected to digital pin 4 Samples the voltage from the sound sensor ...
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