Urgent, Timer Delay

Thread Starter

G8NPH

Joined Feb 24, 2008
3
I need a timer delay circuit so when there is a pulse the circuit will wait 10-15 seconds then a output pulse will occure

any circuit suggestions and layouts and pictures would be usefull

G8NPH
 

jpanhalt

Joined Jan 18, 2008
11,087
You can get that sort of delay with a 555, but I would probably use a dual voltage comparator (LM393) with the first comparator as a buffer and the second with an RC delay input. If you need the schematic, ping back. John
 
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