At 10:32 AM 6/23/99 -0700, you wrote: >Another thought, if you don't mind including 20 little diodes between the 12 >switch contact and the 4 pins, is a desecrate 12 to 4 demux. E.g. contact 0 >is not connected at all (reading 0000 implies position 0), contact 1 is >connected to pin 0 via a diode (reading 0001 = position 1), contact 2 to pin >1 (always use a diode!) (0010 = 2), contact 3 to pin 0 and 1 (two more >diodes) (0011 = 3) and so on to position 11 which is connected to pins 0,1, >and 3 (1011 = 11). Please tell me--I'm really curious! What is a "desecrate" demux? Perhaps one that has been ex-communicated. The possible puns are endless. (sorry for the "wasted" bandwidth--I couldn't resist.) **************************************************************************** ******** All legitimate attachments to this email will be clearly identified in the text. William K. Borsum, P.E. OEM Dataloggers and Instrumentation Systems &