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How to shake the keys?

Hardware design
Dezember 22, 2020 by Maddi 601

Now I have set up a D flip-flop to T'flip-flop circuit to make the LED switch state by giving the CLK rising pulse, but I found that the button jitter is more advantageous. Today, I tried several filtering and it was still unsuccessful. Maybe it was a mistake in my own design. How to debounce?

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Burton Veröffentlicht am December 22, 2020

How to connect IC power pin? That regulator tube is weird.

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  • Maddi

    Maddi Veröffentlicht am December 22, 2020

    That is to reduce the voltage to 5V, because it is just an experiment, so it is connected like this for convenience.

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Curran Veröffentlicht am December 22, 2020

A filter capacitor should be added to the 5V after step-down, and the parallel capacitor of R1 can eliminate jitter.

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Courteney Veröffentlicht am December 22, 2020

Connect a capacitor in parallel with the button.

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