Project - Universal CD Controller?

lgreen · 10th September 2003, 05:19 PM

A few years ago I was surprised (but should not have been) to learn that my BMW CD compatible head unit needed a BMW CD Changer, costing about 3 times as much as the same type of trunk mounted changer available from electronics stores.

All the head units do is send pulses to the changer for control, and receive analog audio. Has anyone ever thought of or attempted to build a circuit that would convert CD control pulses from a head unit to CD control pulses accepted by a known CD changer, in order to connect "incompatible" head units with CD changers? I think it could be a simple circuit with a controller and maybe few other components.

Is there any interest in doing this or reason why it wouldn't work?

Hybrid fourdoor · 22nd September 2003, 01:20 AM

Maybe you could consider pre built adaptors. It's not universal, but it would allow you to use a cheaper 3rd party changer instead of the bavarian unit.

Adaptors over at Crutchfield

Some other adaptors over there

10th September 2003, 05:19 PM	#1
lgreen diyAudio Member Join Date: May 2003 Location: San Diego, USA	Project - Universal CD Controller? A few years ago I was surprised (but should not have been) to learn that my BMW CD compatible head unit needed a BMW CD Changer, costing about 3 times as much as the same type of trunk mounted changer available from electronics stores. All the head units do is send pulses to the changer for control, and receive analog audio. Has anyone ever thought of or attempted to build a circuit that would convert CD control pulses from a head unit to CD control pulses accepted by a known CD changer, in order to connect "incompatible" head units with CD changers? I think it could be a simple circuit with a controller and maybe few other components. Is there any interest in doing this or reason why it wouldn't work?

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
universal chip pre-amp project	digi01	Chip Amps	166	31st March 2010 12:27 AM
Samsung 1602VFD For CDROM Controller & Remote Volume Controller	slowgay	Swap Meet	2	22nd November 2008 03:44 PM
Modular dac project with micro controller and lcd	cviller	Digital Source	10	2nd January 2007 08:06 PM
Which "universal" DVD-A controller kit ?	FastEddy	Digital Source	0	24th November 2006 06:10 PM

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

22nd September 2003, 01:20 AM	#2
Hybrid fourdoor diyAudio Member Join Date: May 2003 Location: Ft. Worth, TX	Maybe you could consider pre built adaptors. It's not universal, but it would allow you to use a cheaper 3rd party changer instead of the bavarian unit. Adaptors over at Crutchfield Some other adaptors over there

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)