Olin, I don't mind if you put all of my emails in your spam folder and neve= r look at them. While I find your contributions to the list valuable, your responses to me = I find of no value. One of my character defects is that I can't resist looking at your response= s. Maybe in another 30 years I will learn. Gus > On Oct 3, 2010, at 3:27 PM, Olin Lathrop wrote: >=20 > YES NOPE9 wrote: >> See http://www.wftelectronics.com/projects/DN20101003002/ >=20 > I did, and that was just a page with more links. If you want us to look = at > a schematic, provide the link to that and don't make us hunt around for i= t. >=20 >> I thought the SCR would turn off >=20 > Obviously it won't. If you've got 5V accross 10K ohms, that's 500uA, whi= ch > is very likely considerably more than the SCR dropout current. There is > probably a easy fix. Provide the schematic. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .