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We are going to program the UNO to provide a PWM signal of different duty ratio for each of buttons. So we have a tone generator at hand which generates a different tone with each button press.
Arduino-Tone-Generator. The Processing GUI sends a character, depending on which button you press, through serial to the Arduino program. 'F' for Fur Elise and 'J' for Jingle bells. The "songs", if we ...
The schematic of this Arduino Tone Generator Project project is shown in the figure below: The connection is pretty simple we have a Piezo speaker which is connected to pin 8 and Ground of the Arduino ...
Built in functions include: brown note tone generator, dog whistle, EMF meter, flashlight, IR universal remote, laser pointer, ohm meter, sound level meter, voltage detector, and a voltage meter.
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