I am thinking of using rotary pots for suspension measurement, I would like to know whether to use low resistance pot <4k bearing in mind it will only 'wipe' 80-90 deg of travel and this value will produce small changes in output or whether to go for high value pot >20k for greater voltage range but worse noise immunity.
Has anybody used these types of pots before for this application?
Pot values for suspension measurement
I'm doing this; I'm using Ford TPS sensors (eg, 5.0L V8 application) on my rear bellcranks. Since those are certainly less than 90 deg total movement, it works fine.
I did have one crap out and give untrustworthy readings, but the other was good; I've swapped out the former and will retry.
Haven't done the front as that end is a rocker suspension and harder to tie in to.
Apologies, I don't have the specs handy for the electrical side... but as I recall I have a resolution of about 1.1V/inch of shock travel... (with 5VDC sensor power supply)
HTH...
I did have one crap out and give untrustworthy readings, but the other was good; I've swapped out the former and will retry.
Haven't done the front as that end is a rocker suspension and harder to tie in to.
Apologies, I don't have the specs handy for the electrical side... but as I recall I have a resolution of about 1.1V/inch of shock travel... (with 5VDC sensor power supply)
HTH...
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