I used an Uno Rev 3; your pins may be different. Connect one wire of your straight key to pin 7, and the other to ground. Connect one wire of your speaker to pin 9, and the other to ground. I also ...
“I don’t understand, you don’t have the technology.” OK, so it’s not actually a futuristic tool with the same capabilities as the one off the hit TV series Dr. Who, but this homemade “sonic ...
The Arduino Piano Player allows users to press push-buttons and generate musical notes using a buzzer. It demonstrates how input pins, tone generation, and loop logic work in microcontrollers.
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