hi everyone,

i am costructing a firing circuit and there are a stage that cause the ne555 timer to be burnt when i power it with 12v dc.
looking for solutions?

Thanks

 

Show your circuit diagram.

 

Including, for example, what is connected to the output.

Bob

 

Show your circuit diagram.

 

Look at post #3 again. The only thing important to answering your question has been left out of the schematic you posted.

Bob

 

And what voltages are applied to the trigger input?