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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY - Clown nose blinking LED



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      03-30-2008, 09:52 PM   #177
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Quote:
Originally Posted by BiscottiGelato View Post
Anybody mind to show how the clip for the roof light panel works? Like a close up macro photo of the clips maybe? I just can't get the roof light panel thing off.......
http://www.e90post.com/forums/showpo...2&postcount=27
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      04-01-2008, 02:29 PM   #178
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Anyone in So Cal done this, who can help with build and install? PM me.
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      04-01-2008, 04:55 PM   #179
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Quote:
Originally Posted by cgnahc View Post
Anyone in So Cal done this, who can help with build and install? PM me.
I know this thread has been around for a while and its a great DIY.

I just wanted to point out that most car insurance companies give a rebate for having a car alarm. Mine gives $100 a year discount. Since I've installed the car alarm I've already started making a profit. My only point is that it could be possible that your not saving any money by bypassing the system.

Check with your ins company... it may be worth it to just get the alarm installed. I dont think they give rebates for blinking clown noses.. lol.
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      06-23-2008, 03:43 PM   #180
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wow i just remembered that i still have all that stuff up in my headliner lol

gotta get it out sometime...anyone have any new news ? to fix brightness
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      06-24-2008, 12:01 AM   #181
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Damn i wish i could do this but i really think its far too tech for me
This guy must have been an electrician
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      06-27-2008, 10:18 PM   #182
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great little 555 project, but frankly if you spend 2-3 hours on it, you might as well buy the alarm kit for $230 and actually have the alarm (and the insurance benefit)...

I've also seen led blinking gizmos in Radio Shack and the local dollar store (for $1). Still, I think the $230 alarm make more sense for a $30K+ car... but check out your dollar store or RS if you think that a blinking led is the right way to go...
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      06-28-2008, 12:18 AM   #183
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^ I'm starting to consider that also... the actual alarm i mean
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      09-25-2008, 04:58 PM   #184
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Talking I saw this on TV last week- Terminator: The Sarah Conner Chronicles

Yeah, John was doing the same thing with Vic's chip...
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      01-13-2009, 09:12 AM   #185
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I did it using the original drawing. Works great. If anyone needs help email me or something. I have new picture to post which I will soon. They show exactly what to solder and what to leave out. That's the tricky part.
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      02-09-2009, 02:49 PM   #186
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Please post your picture
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      02-28-2009, 04:02 AM   #187
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I finally got a chance to put this on....gosh..it's hella tough to open that overhead, i even had the outer aluminum trims bent out of shape..

All the wiring are done inside the overhead, I didn't open the mirror cover.
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      08-17-2009, 01:23 PM   #188
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Quote:
Originally Posted by msinfo_us View Post
That is right -- pin 4 is conneted to R4 POT. Pin 5 is not in use. To test set R3 to minimum (max brightness), R4 in mid position, R1 and R2 to max resistance than adjust R4 until LED starts to blink (regardless of the speed at this point, stop once LED begins to blink from 9V or 12V power. this will make later adjustment in a car easer), adjust timing using R1 and R2, adjust brightness to desired level. You are ready to install timer in a car. Hope this helps.
If you are still having troubles double check your connections: if there is a dot on a diagramm -- it is connected, if no dot -- no connection.
I don't understand what other side of the R4 pot connected too? It looks like it goes to pin 4, then to ground AND positive.
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      08-17-2009, 11:00 PM   #189
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the dealer can program this for you for 25 bucks when you go in for an oil change. its very simple as all it requires is getting hooked up to the machine.
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      08-18-2009, 03:28 AM   #190
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Okay, so I got the circuit built and working. Just two questions, what brown and black wires am I looking for that run to the led? There seem to be a bunch of brown wires above the headliner coming from the mirror.

Second, how do you reattach the mirror? I have been trying for an hour without any luck.
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      08-20-2009, 03:47 AM   #191
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So I got it all together and it works like a champ. I had to make some minor changes to the circuit. The wires you are looking for above the headline are red/purple and grey/purple. The led has a constant 12v and uses the ground wire as the switch.
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      09-05-2009, 10:49 AM   #192
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Quote:
Originally Posted by teleopti View Post
the dealer can program this for you for 25 bucks when you go in for an oil change. its very simple as all it requires is getting hooked up to the machine.
really?
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      01-31-2010, 06:28 PM   #193
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I tried to build this device today. I had ordered all of the parts from Radioshack.com but two of them were not exactly correct. Firstly, I couldn't get LED lamps which rated over 3 volts, so I burnt them out almost immediately. Secondly, the capacitor part number listed was 1000uf but 50v; it's almost 5x the size of the one pictured. I built the device and got the LEDS to flash once or twice but after they burnt out I couldn't tell if it was working. I hooked a multimeter up to it and saw values raising and then dropping (the actual values I can't recall) but I don't trust my device in my car since I don't know if will cause any damage or not. So, thanks for the DIY, I gave it my best effort but I think I will shy away from ultimately implementing this one. Now I just have to decide if I want to spend the money on the actual alarm (I'm already getting the insurance credit for it, so its more for peace of mind) or asking the dealer if they can make it work without the alarm installed. Thanks again!
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      02-03-2010, 11:29 AM   #194
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LOL

thieves don't do car's with this? ehehehe


cool mod
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      02-11-2010, 03:21 AM   #195
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Anybody have an easier way to do this?? The original post seems quite difficult!
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      03-03-2010, 10:32 PM   #196
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I was asked a question on how to open lights/sun-roof panel. Please see this thread for detailed instructions http://www.e90post.com/forums/showpo...2&postcount=27
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      03-30-2010, 02:54 PM   #197
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Great DIY. I'm going to the Shack this weekend and soldering away. Thanks.
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      06-19-2010, 12:18 AM   #198
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This is circuit board layout which has been verified working as expected!
To adjust the freq. you can compare to
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