How about a button connected to your PIC labelled 'Press if bulb does not
work' :-)

-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of ckchan
Sent: 29 September 2000 16:27
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [EE] what is the simplest way to detect a blown bulb ?


Greetings,


> >what is the simplest way to detect a blown bulb ? maybe the indication
> >is an LED lit up ??
>
> Is it a mains powered lamp or, say, an automotive lamp? How is it
> being driven?

well, it will be 12V dc bulb, operate when the switch turn on.

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