The sketch takes input from a potentiometer and produces a fair LED fade, using the CIE1931 perceived lightness ... The wiper of the 10K potentiometer is wired to A0 of Arduino (5V-A0-GND), while ...

We set the potentiometer pin as 0 (A0 on the Arduino Uno board), the CONTROL variable is the voltage that is used to cotrol the led brightness of the speed of the fan. In the setup() function the ...

If you’ve ever wanted to make your own VU meter but were scared off by the signal process you need to study this tutorial. Hackaday Alum [Phil Burgess] developed the device using an RGB LED m… ...

Posted in Arduino Hacks, LED Hacks, Musical Hacks Tagged atmega328p, music speaker, vu, ... but he sells 4 meter, 60 led/m strips for $29.99 which is just about the lowest price you’ll find ...