Hopkins wrote: > Bruce Douglas wrote: > > There is an interesting circuit at > > http://www.circuitcellar.com/pastissues/articles/May96/text.htm which > > uses 2 pairs of optoisolators to read the current. As far as I could > > tell, his firmware does a simple multiplication of voltage times > > current so wouldn't be good for reactive loads. > > Looks good but could not figure out the link to download the software. Here's a direct link: ftp://ftp.circuitcellar.com/pub/Circuit_Cellar/1998/Issue_96/pmeter.zip -- Dave Tweed -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist