The circuit was constructed using a few components to produce a unique buzzer with adjustable buzzer tones. Buzzer – an electronic signaling device that produces light and buzzing sound when activated ...
Figure an Arduino most matches the "Other" category. To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got the ...
The flashing is thanks to LEDs with a built-in, integrated flashing circuit and the nasty noise comes from a piezoelectric buzzer — both are available from electronics stores that sell ordinary LEDs.
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