Arduino Theremin Tutorial for Beginners - NerdyTechy
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Learn how to make a simple Theremin with an Arduino and an LDR sensor! - The Nerd Musician
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I'm trying to make a simple theremin project with the Elegoo Uno R3 following an online tutorial (link in comments), but there's an error of "redefinition of 'void setup()'", I'm pretty sure
Create your own Theremin with the bat sensors and a buzzer | DIWO