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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Need to log the speed of a racecar. Lm2907 or lm2917?

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AustinT

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Hi, I came across this website while searching for some information how to change a frequency to a voltage. I have a 89 camaro with a t56 transmission. This transmission has a 40 pulse per driveshaft vss signal generator in the tailshaft. I have a datalogger that will log up to 5 volts. I would like to build a circuit that would convert the signal to a voltage. It needs to be between 0 and 5 volts, any more than 5 volts will burn up the datalogger. Also it needs to be linear with the speed of the car. With the datalogging program I can assign 0 volts to be 0mph, 5 volts to be 150 mph, or whatever mph I want it to be.

Any Info how to build the circuit would be great
Thanks
Daniel
 
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