Youtube Video

Things you need



Arduino UNO

Breadboard Wires

How to build

Let's code

HEy there

So at first we output pin 2 till 12 

then in void loop we just read the voltage via adc then with basic math witch we can convert that voltage to a number between 0 till 12 (you may need to change 600 to higher or lower)

after that we just turn leds on and off with the number we get 

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