Game Buzzer Circuit Help Sought

Thread Starter

jenturay

Joined Mar 9, 2018
1
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.

The thread from which this came:
https://forum.allaboutcircuits.com/threads/game-buzzer-circuit.52408/#post-1246284


Hi,
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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