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Long pressed button, want to act as instant press

power13

Oct 26, 2018
10
Joined
Oct 26, 2018
Messages
10
Hello,

I have a button in a circuit and I want to modify it to the following functionality.

When I press the button I power an electromagnet. In summary the electromagnet should work for 0,5 second, not more. My problem is that if I keep pressed the button more than 0,5 second (very easy!) the electromagnet will start a second cycle. I don't want this!

How can I overcome this problem?

I am amateur in electronics, I just want a direction what to look for.

Many thanks!
 
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