Ian wrote:


> Hi all,
>
> Could someone point me somewhere or give some advice on monitoring 240VAC
> 50Hz mains voltage using PIC A/D.
>


It's not the only solution, but here is what I would do:
1. use the step down transformer
2. connect the output into an RMS chip such as the AD736 or similar.
3. the output then connects to the A/D

Brian.

--
http://www.piclist.com#nomail Going offline? Don't AutoReply us!
email listserv@mitvma.mit.edu with SET PICList DIGEST in the body