The controller can drive an RGB LED strip which can be up to 25 meters long, using music as input. This can come from any device with a line level output (basically all PCs, mobile phones and Hi-Fi ...
The NeoPixel LED strip requires a 5V power supply. The Portenta H7 provides 3.3V on SPI pins, which may not be sufficient for reliable operation. Use a level shifter or a separate 5V supply for the ...
Arduino Micro has some extra leds that it is tricky to programme. Like almost all Arduinos, has a built-in led – the green one on the left in the photo. And it has a pair of yellow leds – called TX ...
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