Hi everyone, Can someone help me?! I need to help a friend finishing her installation today, but I need your help. I want to code a simple oscillator controlled by a potentiometer, connected to a speaker. The goal is to emulate some CYMATICS in a speaker, with a container of water. I have some …

[image] joaomiro: But I don't how to code an oscillator, and I need your help. But first we need your help in telling us about this project. First off, what sort of Arduino are you hoping to use? Then what frequency range do you want? What waveform do you want, I am assuming a sin wave? F…

I made it. #include <Encoder.h> const int encoderDT = 2; const int encoderCLK = 3; const int speakerPin = 9; Encoder myEncoder(encoderDT, encoderCLK); int lastEncoderPos = 0; int frequency = 0; void setup() { pinMode(speakerPin, OUTPUT); } void loop() { int encoderPos = myEncoder.read(); …

I think this is what you are looking for: [image] Arduino Tone Generator This project uses an Arduino Uno and a potentiometer to create a variable-pitch tone. In Arduino Note Generator I update the project to play discrete notes. These are the key Arduino tutorials for … …

Oscillator controlled by a potentiometer

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jim-p July 7, 2023, 11:24am 5

I think this is what you are looking for:

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Oscillator controlled by a potentiometer

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