Looks like what I had described.... Vern Robert Ussery wrote: > > Anything like this: > http://www.parallax.com/html_pages/resources/catapps/cat_mandm_sorter.asp > > Neat project, huh? > > - Robert > > ----- Original Message ----- > From: "Vern Jones" > To: > Sent: Sunday, July 13, 2003 9:59 PM > Subject: Re: [PICLIST] [PIC]: Color blindness and resistors (was Puzzling > non-reset behavior) > > > It can be done, it takes a full spectrum light source focused to a small > > dot, and 3 optical pickups with red, green and blue filters focused at > > the same dot. The filters used to be available from Kodak, and may be > > available from the astronomy community. Use 3 optical detectors with > > output to 3, 8 bit A to Ds. Use the output to generate a word similar to > > the 6 byte hex word used in http lingo to specify screen color, convert > > the hex word to meaningful text data. > > > > Looks like a great job for a pic...this could keep someone busy for > > quite a few days. > > > > Vern > > > > "James Newton, webhost" wrote: > > > > > > source= http://www.piclist.com/postbot.asp?id=piclist\2003\07\11\090649a > > > > > > Bob Ammerman said "How about building a scanning colorimeter using a > PIC. > > > Just scan the resistor with a wand and the PIC computes and displays its > > > value." > > > > > > Jake Anderson replied "why not just measure it with an ohm meter?" > > > > > > Typical engineer. Total lack of imagination. > > > > > > Seriously, I agree with Bob that a small device that at least reads out > the > > > amount of RG and B in the surface you point it at would be an > interesting, > > > useful, and possibly humanitarian project. Adding the code to calc the > > > resistor value would probably be less valuable than just useing a DVM, > but > > > there are many places where a color blind engineer could use a little > pocket > > > pen that can see colors and seperate them into Red, Green and > Blue-Violet > > > LEDs. > > > > > > Does such a thing exist? I couldn't find it on Google. > > > > > > --- > > > James Newton: PICList.com webmaster, former Admin #3 > > > mailto:jamesnewton@piclist.com 1-619-652-0593 phone > > > http://www.piclist.com/member/JMN-EFP-786 > > > PIC/PICList FAQ: http://www.piclist.com > > > > > > -- > > > http://www.piclist.com hint: The PICList is archived three different > > > ways. See http://www.piclist.com/#archives for details. > > > > -- > > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body > > > > -- > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body