>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>Sent: 02 November 2006 17:19
>To: Microcontroller discussion list - Public.
>Subject: Re: [EE]: Automobile LED headlights
>
>
>>
>> Christmas tree lights manage this without any extra circuitry.  They 
>> even kill themselves after too many bulb have blown!
>
>
>True, but the filament lets go and allows the supports to 
>spread and contact a ring of wire. Can't do that in an LED.
>

I knew how it worked, was just joking really.  However, given the very high cost of these headlights, some "smarts" to alert the driver to a failed array of LEDs really should have been included.  It could even throw up a fault code on the OBD system.

Cheers

Mike

=======================================================================
This e-mail is intended for the person it is addressed to only. The
information contained in it may be confidential and/or protected by
law. If you are not the intended recipient of this message, you must
not make any use of this information, or copy or show it to any
person. Please contact us immediately to tell us that you have
received this e-mail, and return the original to us. Any use,
forwarding, printing or copying of this message is strictly prohibited.
No part of this message can be considered a request for goods or
services.
=======================================================================

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist