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-   -   DIY Open garage from steering wheel & BMW key (http://forum.e46fanatics.com/showthread.php?t=944682)

PeteAU 09-15-2012 02:32 AM

DIY Open garage from steering wheel & BMW key
 
3 Attachment(s)
So we don't have home-link units here in Australia because we use different frequencies. I thought there's got to be a simpler way, what about those spare buttons on the steering wheel like R/T and Phone?

Step 1: Take apart your spare garage remote

Step 2: Build your own iBUS relay board - that's the hard part ;)

Step 3: Installed in the boot & working :woot: I didn't touch anything inside the cabin.

Hmmm now what else could I control with my other two relays?

benzovs 09-15-2012 02:37 AM

Sweet! Where did you get the bus interface module?

PeteAU 09-15-2012 11:23 PM

1 Attachment(s)
Now I managed to make it work via the BMW fob! I just hold down the trunk button for more than 5s and it will open my garage (and not open the boot). Even got the headunit LEDs to give me some feedback. See video.

http://i328.photobucket.com/albums/l...h_DSCF1836.jpg

Quote:

Originally Posted by benzovs (Post 14733372)
Sweet! Where did you get the bus interface module?

I designed my own board, sent it to China to get fabricated. $14 later I had it delivered, amazing what China can do. I have spares, but I'm reluctant to offer them, people might think they're easy to but together.

TrickTizzle 09-19-2012 01:56 AM

Where and how do you order?

PeteAU 09-19-2012 03:49 AM

Quote:

Originally Posted by TrickTizzle (Post 14743784)
Where and how do you order?

I'd love to turn them into a product, but I don't think they'd be economical unless I sold them for $50 each. If you're good with electronics and can program a microcontroller, I could send you a bare board for postage only.

Ballistic325 09-20-2012 11:20 PM

Quote:

Originally Posted by ppmz (Post 14733368)
Hmmm now what else could I control with my other two relays?

Your missus? :eeps:

One of the guys in the Aus section stripped a home link unit and replaced the insides with his garage remote internals. There's some posts and pics in a misc thread somewhere...


Love your work :thumbsup:

Wish you were in Sydney.

EDIT: if you did productise them, I am sure that you would get plenty of sales from the Aus section. Just a thought ;)

PeteAU 10-02-2012 07:49 AM

1 Attachment(s)
Quote:

Originally Posted by Ballistic325 (Post 14749939)
if you did productise them, I am sure that you would get plenty of sales from the Aus section. Just a thought ;)

I've no idea how to get electronics manufactured, but there's probably $5 worth of parts in it if you know how to solder.

--
Moved garage-open to the phone button, plus managed to show diagnostics info on the head unit. A bit basic, but just experimenting. Video:http://i328.photobucket.com/albums/l...002_174006.jpg


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