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The process of creating a circuit to accomplish a particular task. When designing a circuit, one should consider how it should work, the target specifications, efficiency, cost effectiveness, code compliance, and ethics.

4 votes

What´s the purpose of this diode?

The diode is known as freewheeling/flyback diode. Imagine that the relay is energised. A current will flow through it and will set up a magnetic field around it. When the relay is de-energised, this …
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1 vote

Prevent long press in changing state on D Flip-Flop

May I suggest you create a ring counter. That would be the easiest way to do so. Here is a link to the info: Electronics Tutorials - Ring Counters
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