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ed_ma61 Forums Junkie Location: Lost in the K hole Registered: May 2002	Re: Knock Sensor Circuit Design ... Tue, 22 July 2003 06:58 and actually... if there is some delay in the switching off of the output in response to an input spike over 0.7v, is there some way of increasing that delay, ie making the LED stay on for like 3-5 sconds after knock has occured?? id imagine its just a case of swapping in a bigger capacitor or something? or is it the IC555 timer ?? thing is, i was going to use a relay with a capacitor to switch on the injector, and keep it open for 3-5 secs, but if this circuit can perform an adequate delay function, thatd be cool cheers ed [Report message to a moderator]

	Subject	Poster	Date
	Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 04:50
	Re: Knock Sensor Circuit Design ...	Cool1	Tue, 22 July 2003 05:41
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 05:45
	Re: Knock Sensor Circuit Design ...	roger	Tue, 22 July 2003 05:46
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 05:52
	Re: Knock Sensor Circuit Design ...	oldcorollas	Tue, 22 July 2003 05:58
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 06:10
	Re: Knock Sensor Circuit Design ...	sideshow	Tue, 22 July 2003 06:13
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 06:26
	Re: Knock Sensor Circuit Design ...	Cool1	Tue, 22 July 2003 06:39
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 06:52
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 06:58
	Re: Knock Sensor Circuit Design ...	Cool1	Tue, 22 July 2003 07:03
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 07:08
	Re: Knock Sensor Circuit Design ...	oldcorollas	Tue, 22 July 2003 08:10
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 10:01
	Re: Knock Sensor Circuit Design ...	Cool1	Tue, 22 July 2003 09:00
	Re: Knock Sensor Circuit Design ...	Cool1	Tue, 22 July 2003 07:01
	Re: Knock Sensor Circuit Design ...	sideshow	Tue, 22 July 2003 12:14
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 12:37
	Re: Knock Sensor Circuit Design ...	Allan	Tue, 22 July 2003 12:41
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 12:55
	Re: Knock Sensor Circuit Design ...	sideshow	Tue, 22 July 2003 12:43
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 13:02
	Re: Knock Sensor Circuit Design ...	Allan	Tue, 22 July 2003 13:12
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 13:26
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 14:26
	Re: Knock Sensor Circuit Design ...	humble	Tue, 22 July 2003 17:22
	Re: Knock Sensor Circuit Design ...	ed_ma61	Wed, 23 July 2003 00:17
	Re: Knock Sensor Circuit Design ...	Norbie	Wed, 23 July 2003 00:14
	Re: Knock Sensor Circuit Design ...	Allan	Wed, 23 July 2003 02:19
	Re: Knock Sensor Circuit Design ...	ed_ma61	Wed, 23 July 2003 03:02
	Re: Knock Sensor Circuit Design ...	E30-323ti	Wed, 23 July 2003 03:11
	Re: Knock Sensor Circuit Design ...	ed_ma61	Wed, 23 July 2003 03:20
	Re: Knock Sensor Circuit Design ...	E30-323ti	Wed, 23 July 2003 03:34
	Re: Knock Sensor Circuit Design ...	ed_ma61	Wed, 23 July 2003 03:40
	Re: Knock Sensor Circuit Design ...	ed_ma61	Wed, 30 July 2003 11:48
	Re: Knock Sensor Circuit Design ...	-Mark-	Wed, 30 July 2003 13:22

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