bmw power folding mirrors

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lexizpumpin1

Member - Posts: 3

Joined: March 04, 2008

Location: New York, United States

Posted: March 04, 2008 at 10:29 PM / IP Logged

Ok this has been discusted a few times the mirrors have a blue wire and a white wire if you give blue + and white - they open if you reverse polarity they close they dont have a timer to stop them im loooking for a simple device that can use trigger to time open them then again with a different trigger close them also with time the trigger is +

let me know can pack tr-7 work?

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Velocity Motors

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Joined: March 08, 2002

Location: Manitoba, Canada

Posted: March 05, 2008 at 9:19 AM / IP Logged

You can go here for the thread that explains how to do it.

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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rob_fed

Member - Posts: 15

Joined: June 10, 2004

Location: United States

Posted: March 21, 2008 at 4:37 PM / IP Logged

Your idea to create a timed event or keeping the relay powered for a set amount of time would work. You can use a the delay circuit from the relay diagrams from this site. But I think the duration to open and close the mirrors is longer than the amount of energy that a capacitor can store, unless you have a big capacitor. You might have to use a 555 timer circuit to get the amount of on/off time you needed. Another thought, do power open/close mirrors have limit switches? If so, then you do not need a timed event. A power window circuit that provides one touch up and one touch down may be your answer.

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bmw power folding mirrors

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