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Contribution d'origine par : oldturkey03 ,

Texte:

'''++samir demir++'''   you’d have to modify the beeper circuit. Not an easy task since it would require a schematic for your control panel and then designing a circuit (and PCB) to mount new components etc. For some ideas check another one of my [https://forum.allaboutcircuits.com/threads/making-a-simple-beep-circuit.11188/|favorite sites]

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