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starbuck3733t · 05-19-2005, 10:38 PM

.NET (VB preferabbly) and PIC ASM/C guy here.

Best to do the dP sensing in a PIC and then convert it to a scaled RPM signal out one of the outputs. a PIC with dual A/Ds isn't hard to come by, etierh. it'd be the sensors, the pic (and you could use one with an internal oscillator, come to think of it) and a transistor to run the signal to the 'tach. Cake if the math isn't too bad, I guess that'd be the only weak thing about the PIC - math speed.

05-19-2005, 10:38 PM	#33
starbuck3733t Cooling Savant Join Date: Nov 2002 Location: State College, PA Posts: 338	.NET (VB preferabbly) and PIC ASM/C guy here. Best to do the dP sensing in a PIC and then convert it to a scaled RPM signal out one of the outputs. a PIC with dual A/Ds isn't hard to come by, etierh. it'd be the sensors, the pic (and you could use one with an internal oscillator, come to think of it) and a transistor to run the signal to the 'tach. Cake if the math isn't too bad, I guess that'd be the only weak thing about the PIC - math speed. __________________ Goliath: 3.4E@3.91/Abit IC7, Maze4 (temporarily) + custom splitter to crazy 4-way watercooling parallel loop: X800XT @ 520/1280 + AC Twinplex, AC Twinplex Northbridge, Silenstar Dual HDD Cooler, Eheim1250, '85 econoline van HC + 2x120, 1x120 exhaust - polished aluminum frame panaflo L1As, 2x18GB 10K RPM U160 SCSI, 4GB PC4000. I wanna be BladeRunner when I grow up! Project Goliath - nearing completion.