Can you look for some automotive grade pressure sensors? I have used something like this with success in the past:
https://www.digikey.com/en/products/detail/nxp-usa-inc/MPX4250AP/464053 On Thu, Mar 10, 2022 at 9:27 AM Scott Harwell via Emc-users < [email protected]> wrote: > What sensors are they? Normally the instrumentation people prefer 4 to 20 > ma. Do you have a part number? > > Scott > > On Thursday, March 10, 2022, 8:02:18 AM CST, Thaddeus Waldner < > [email protected]> wrote: > > > > > But neither of the $23 sensors I bought, actually works. black to -, red > > to 5v, green to dvm on my test table, one rests at nominally 1 millivolt, > > the other at around 27 millivolts which doesn't change with the applied > > pressure. > > What are the sensors? Are they possibly PWM output and need a pull-up? > > They could also be current devices. Check if the current changes with > pressure. > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Matthew Herd Email: [email protected] Cell: 610-608-8930 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
