Re: LED pulse stretcher

"Gaz" <gary_windsor@xxxxxxxxxxx> wrote in message news:f1c31718-6c06-47b7-bd70-b21b4b414099@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Hello,

can anyone please point me to a circuit that I can use to stretch the
on time of an LED when the on pulse is small? I have a push botton
that I want to press momentarily and see a longer (say 1 second)
illumination of the LED.

Many thanks in advance.

Gaz


Look at page 5 of this link:

http://cache.national.com/ds/LM/LMC555.pdf

A monostable multivibrator is basically a pulse stretcher with a fancy name. Look at the other application circuits. Lots of fun stuff you can do with a 555.

Regards,
Bob Monsen

.

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