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Old February 13th 2014, 12:52
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Humble Humble is offline
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Join Date: Jan 2003
Location: Boulder Creek, CA
Posts: 758
To me the the dash light in the video looks to be coming on when the driver is lifting or running part throttle, and that's what you're after? As a matter of personal/racing preference, I wouldn't want to get in the habit of ignoring lights, which is what this would lead to. That being said there are a few ways you could make this happen: a little bit of custom work with an arduino, map sensor and relay, or if you have a megasquirt or other fuel injection computer you could configure on output based on environment variables. To get the soft glow or analog feel you might have to drive it with a pwm circuit, and that should be okay for a small 12v light or led.
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