On Wednesday, June 25, 2008 12:17 AM [GMT-3=CET], Jinx wrote: >> Obviously they weren't brought in specifically to ostracise colour- >> blind people > > I thought you said it was. Anyway, anyone can buy a meter. And > I don't see any reason why someone who is colour-blind can't do > electronics > > And my recollection is that mains wiring colours were changed to > reduce colour-related mistakes. The adoption of a striped Earth > for example > > http://www.iee.org/Publish/WireRegs/IEE_Harmonized_colours.pdf Why they don't come on braille? (I Remmember: In the 80's a group of radio hams did a multimeter in morse for a blind old man) I prefer colors. For developing, big white letters and numbers on the chips,... not that laser etching. I usualy put some liquid paper over it, and the written thingy comes up. ok, what's next? imperial measures? resistors scales?,... I think we already talk about that... just in case:) Dennis -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist