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Date: Mon, 13 Sep 2004 14:07:42 GMT
From: amesnospamrak.demon.co.uk (Andrew Stephenson)
Subject: Re: Saab 9000 Carlsson


In article <BD6B0A41.11572%pjghnospamyonder.co.uk> pjghnospamyonder.co.uk "Paul Halliday" writes: > You need to connect an LED to pin 19 and to a 12V source. Pin > 19 goes to ground when the knock sensor sees knock. The LED can > be mounted on your dash. Just talking general principles here: ensure there is a resistor (or some device) to limit the current drawn by the LED. Putting the full 12v across it could prove lively, for a short time. If that pin 19 is limited to a current suited to small LEDs (varies with the type), okay. And, of course, get LED polarity right. (Did I miss something? Oh yes, wash your hands afterwards. <g>) -- Andrew Stephenson

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