Subject	You might try running the speedo signal through an opamp
Posted by	-Grimm- on September 20, 2017 at 10:36 AM
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In Reply To	My Arduino multigauge/logger/e-fan controller project (Part posted by black300zx on September 17, 2017 at 08:58 AM
Message	or an optical isolator to avoid interference with the signal (I use an opamp on the tach circuit to datalog without affecting the ECU's signal) Looks good, this is some data I was always wondering about for my fan project. ------------------------------------------------------------------ 1992 300ZX NA 5 Sp KH6 (Dead) 1990 300ZX NA Auto 2+2 732 (Dead) 1991 300ZX TT 5 Sp TH1 (Stock) 1990 300ZX TT 5 Sp KH6 (Stock Turbos) (Est. 400 HP) 1990 300ZX TT 5 Sp 326 (GT600R) (Est. 600 HP) 2004 G35 Sport 6MT (DD) 2008 Honda Civic (DD) 2014 Nissan Murano (DD) 1969 Chevy C10 383/TH350 (Toy) 1969 Chevelle LS1/T56 (Toy)
Follow Ups	My Arduino multigauge/logger/e-fan controller project (Part - black300zx 08:58:15 09/17/17 Could you please re-host your photos? (n/m) - ttsmokin 11:24:27 09/17/17 Nice! That might be a solution to folks having issues - jzack 11:50:17 09/17/17 This is in no way a fix for a busted VSS or cluster circuit. - black300zx 21:11:58 09/17/17 Here's a repost w/ different links...lmk if this works - black300zx 21:10:13 09/17/17 I can see the pictures now. - MixManMash 07:09:08 09/18/17 Condenser is maybe 2 years old and I thoroughly cleaned it - black300zx 07:44:00 09/18/17 You might try running the speedo signal through an opamp - -Grimm- 10:36:42 09/20/17 I actually unhooked it and my odo is still flaky, so i think - black300zx 19:08:41 09/20/17 Im working on a circuit for the Z that merges sensors - -Grimm- 15:03:38 09/21/17 That helps - thanks! (n/m) - black300zx 16:02:39 09/21/17
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