On Sat, 2 Jun 2012, Joseph Chiu wrote: > Date: Sat, 2 Jun 2012 11:56:26 -0700 > From: Joseph Chiu <joec...@joechiu.com> > Reply-To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > To: ceen...@in-front.com, > "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > Subject: Re: [Emc-users] Encoder discs > > Dennis, if you have a "bare" PCB without solder mask, you might get a > bit more contrast by staining the substrate with dye. >
Or black PCB material (not sure how black this is to IR however) Peter Wallace ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
