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#1
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w140 speedo signal pulse
Been a while...
Anybody know what kind of signal triggers our electronic speedos? What about the tach, temp and oil pressure? I have been dabbling around with arduino... an open source microcontroller. I just need to know what our gauges accept as signals so I can make the arduino control it using whatever signal I can get from the sending units. Thanks.
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85 190E 2.3(SOLD) 86 230E (-->300D) sold 87 300D (-->300TD) sold 68 250S w/ a 615 and manual tranny (RIP) 87 300TD (SOLD) 95 S280 "The KRAKEN" (Turbo 2.9 602 transplant) traded 86 190E 2.3... current project |
#2
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Anybody know what voltage our gauges run? Trying not to fry anything...
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85 190E 2.3(SOLD) 86 230E (-->300D) sold 87 300D (-->300TD) sold 68 250S w/ a 615 and manual tranny (RIP) 87 300TD (SOLD) 95 S280 "The KRAKEN" (Turbo 2.9 602 transplant) traded 86 190E 2.3... current project |
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