There is interesting following of snapping a digital pattern with a mobile phone camera, such as Data Matrix, QR Code, etc.
For macro photography with a web cam, a simple RadioShack magnifier can be used. > From: Björn Helgason <[EMAIL PROTECTED]> > > That s how we used to make hard copy graphic displays from the 3279 screens > 30 years ago. > Actually not a webcam but a camera with filterlens on a tripod in a dark > room fixed on the screen > > 2008/8/6 Robert Bernecky > > > Gaffer-tape a webcam to the scale's display. > > > > Bob > > > > On Wed, 2008-08-06 at 20:50 +0100, Jim Field wrote: > > > If you build your own 'measure your weight' machine be sure to CALIBRATE > > > carefully. This means many tests with known masses under differing > > > conditions. > > > > > > An interesting approach wold be to buy two or three commercial > > > electronic bathroom scales and figure out the interface between the > > > sensor array and the digital LCD display module. These displays have a > > > limited number of possibilities for their encoding schemes. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
