On 31.1.2013 13:32, David Duffy (AVD) wrote: > Previously we've made a few control panels that use a small (2x8) LCD > and 4 tact switches. They work fine and are mounted into a horizontal > light switch plate, but don't really look all that attractive and are > fiddly to assemble. > > We've now been asked to quote on making something functionally similar, > but with a touch screen. This will do away with the current buttons and > add the possibility of more functions with soft keys. > > I can see two ways of going with this. > > 1) An off-the-shelf controller like the CuTOUCH panels > (http://www.comfiletech.com/ct1721c.aspx) that we've used for more > industrial applications. They are however a little expensive, fairly > bulky and look out of place in a home or office situation. > > 2) Some sort of LCD / touch screen module with either an integrated > bezel or can be mounted without too much hassle. Maybe a PIC based > board would piggy back onto the LCD. > > As these are usually only required in small quantity (anywhere from 1 to > 20 at a time), I'd rather just use something that I can program in a HLL > (Basic, C, etc) and not fiddle around with all the low level graphics > and touch stuff. > > It doesn't have to be a $50 solution. Screen size of a few inches > diagonal would do. If it could fit into a standard Aussie light switch > plate that would be ideal in some ways, as others can install the > mounting during building construction. > David... > We have exactly the same requirements and we are going to buy this: http://www.mikroe.com/mikromedia/dspic33ep/#tft The plan is to use their development board to make the first few=20 prototypes and later to make our own CPU board with their LCD only: http://www.mikroe.com/add-on-boards/display/tft-proto/ Djula --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .