how to make a short pulse!

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sunsettt

Member - Posts: 19

Joined: November 29, 2005

Location: Canada

Posted: December 13, 2005 at 2:02 AM / IP Logged

Hi every one!

I'm wondering how to make half of a second or 1/4 of a second out of one second pulse off the remote starter?. The reason is I tight up the unlock pulse with the horn from the remote starter, but the pulse seem to be too long so I don't want to make it too noise and it not sound professional like the factory lock on horn. Thanks every one alots!

Sunsettt

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sunsettt

Member - Posts: 19

Joined: November 29, 2005

Location: Canada

Posted: December 18, 2005 at 12:52 PM / IP Logged

Would any one here know how to do this? Thanks so much for all advise!

Sunsettt

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infinkc

Copper - Posts: 438

Joined: October 28, 2002

Location: United States

Posted: December 18, 2005 at 1:35 PM / IP Logged

ive used diodes before to shorten teh pulses with relays before, you can do the same with a cap also

There are 10 types of people in the world, ones that understand binary and ones that dont.

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GReddyboy

Member - Posts: 48

Joined: July 24, 2002

Location: United States

Posted: December 20, 2005 at 12:58 AM / IP Logged

I want help on this too, trying to make the trigger from the warn output(negative polarity) on the proxmity to a horn relay with shorter pulse or softer chirp. Someone said its not possible but can anyone throw me some ideas on which resister or capacitors I can use. I just want to try it to see for myself. thanks

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sunsettt

Member - Posts: 19

Joined: November 29, 2005

Location: Canada

Posted: December 20, 2005 at 9:18 PM / IP Logged

I got an idea by myself but it not like professional used. Let use the fast flasher on the emergency or signal light and connect it though a relay, but it will need too many wires to power up the relay. Any another idea?

Sunsettt

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GReddyboy

Member - Posts: 48

Joined: July 24, 2002

Location: United States

Posted: December 21, 2005 at 4:43 AM / IP Logged

umm not sure what you mean. Think it would be better if you tried some resisters or capacitors, and diodes do not work I tried it using a 3amp unless you suppose to reverse the direction,but if i do there won't be any signal going out to the relay. Im about to grab some resisters or capacitors to try it out but I have no idea which ones should I use...

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how to make a short pulse!

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