On Sun, 18 Sep 2005 17:02:17 +0300, Vasile Surducan wrote: > On 9/16/05, alan smith wrote: > > I am looking, and actually prefer a china source (lower cost of course) for > > an door solenoid, running on 12VDC (well....6VDC is preferred but most run > > 12V I believe). > > 12V yes, DC NO. Because of the magnetisation problems. All door locks > solenoids are using either AC, either DC with polarity reversal. And a good way to tell that they're using AC is the buzzing sound they make when activated. Cheers, Howard Winter St.Albans, England -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist