An IC That Can Annoy Any Room! 555 Timer Piano

In this video, PCBWay sponsors me to make an annoying noisemaker based on a 555 timer and an ubiquitous circuit easily found online.

Try it for yourself: https://www.pcbway.com/project/shareproject/555_Timer_Piano_f0dfd795.html

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Just want the kit I was talking about? here it is: https://s.click.aliexpress.com/e/_ANdJJh

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