Here's a cheap fan control circuit. Many uses... http://www.ebay.com/itm/121800420250?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT 73 & Aloha Jim NH6HI -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.hamvoip.org/pipermail/arm-allstar/attachments/20160831/41974cba/attachment.html>