Yes, that seems the simplest approach, just weigh the stuff. I guess I could put a simple database in the product and also have cookbooks translated to braille include the mass along with the volume of the ingredient. That certainly seems the simplest and most reliable approach. Thanks for all the ideas, people! Harold On Tue, 26 Mar 2002 20:54:15 -0500 Bob Ammerman writes: > A device containing a scale and a volume to mass conversion database > for > various ingredients > > Bob Ammerman > RAm Systems > > ----- Original Message ----- > From: "Harold M Hallikainen" > To: > Sent: Tuesday, March 26, 2002 11:51 AM > Subject: Re: [EE:] Detecting level in kitchen measuring cup? > > > > On Fri, 22 Mar 2002 12:07:46 -0500 "M. Adam Davis" > > > writes: > > > A very difficult question. Optical sensors become obscured by > dust. > > > Weight and sonar response vary between materials. Not all > items > > > conduct... > > > > > > So tell us what other constraints there might be (ie, must fit > in > > > handle > > > and be able to be used like a regular measuring cup, or can be > fixed > > > in > > > position (or placed in position to be measured), etc), and what > the > > > accuracy and precision are expected to be... > > > > > > -Adam > > > > > > > Thanks for the comments. I'm also having trouble coming up > with a > good > > solution. This would be a replacement for Braille measuring cups. > These > > exist, but the user has to stick their finger into whatever it is > they > > are measuring to determine the level. It'd be much nicer if cook > books > > measured everything by mass instead of volume. > > Any more ideas? > > > > Thanks! > > > > Harold > > > > > > FCC Rules Online at http://hallikainen.com/FccRules > > Lighting control for theatre and television at > http://www.dovesystems.com > > > > > > ________________________________________________________________ > > GET INTERNET ACCESS FROM JUNO! > > Juno offers FREE or PREMIUM Internet access for less! > > Join Juno today! For your FREE software, visit: > > http://dl.www.juno.com/get/web/. > > > > -- > > 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 > > FCC Rules Online at http://hallikainen.com/FccRules Lighting control for theatre and television at http://www.dovesystems.com ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/web/. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu