Game Buzzer Circuit Help Sought

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Joined Mar 9, 2018
Moderator's note: This post had been posted to a very old thread so it being use to start a new thread on a similar topic.

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Would it be possible for me to see what you did ? I created the first circuit and I managed to get it all in order, but I found that the two 555 circuits kept blowing up. could you show me where you put the relay, and what one you used?
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