Square wave detector ideas needed please.

Imagewerx · Feb 24, 2011

Jaguarjoe said:
One of these would work:

**broken link removed**

31 bux from Newark Electronics

Thanks,if my existing oil pressure switch doesn't work I'll try something like that.

Chris.

3lectrokid · Feb 25, 2011

what about using a frequency to voltage converter which goes into a op-amp window comparator

Jaguarjoe · Feb 25, 2011

Before I took an interest in uC's, that's exactly how I control the torque convertor in my Jag. LM2907/17's work well.

Imagewerx · Feb 26, 2011

Jaguarjoe said:
Before I took an interest in uC's, that's exactly how I control the torque convertor in my Jag. LM2907/17's work well.

Ok thanks for that,got a day off today so will have a poke around with a meter as I'm sure I remember that someewhere there is a wire that is only live with the engine running.If that fails I'll look at the more technical ways of doing it.
Chris.

Square wave detector ideas needed please.

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Square wave detector ideas needed please.

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