D1 Fourby-clock: 2 probes question !
#11
Following up on this D1 Fourby clock / temp monitor thread. Over the holidays I had some extra time and managed to use an arduino to monitor oil pressure and display it on the Fourby clock using the second temperature input. I don't really care to know cabin temperature so the second temp slot now receives a pressure signal instead. Did this as I wanted a low-impact way to see oil pressure (i.e., didn't want aftermarket gauge).
Took more effort than I thought it would to be honest since I had to use a second chip to set mock electrical resistance (which is how the temperature is displayed on the Fourby unit) and do some regression stuff. But seems to be working pretty well in the truck. The clock still displays a "C" even though the values are in PSI. No way to change that unfortunately. Couple pics attached happy to show more detail if folks are interested.
Took more effort than I thought it would to be honest since I had to use a second chip to set mock electrical resistance (which is how the temperature is displayed on the Fourby unit) and do some regression stuff. But seems to be working pretty well in the truck. The clock still displays a "C" even though the values are in PSI. No way to change that unfortunately. Couple pics attached happy to show more detail if folks are interested.
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Siia109 (03-13-2024)
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