If an input is always going to sit high or low, I just tie it to Vcc or Vss. If a switch is going to pull it in the opposite direction, I generally use 10k. Harold (The ideal design has zero parts.) -- FCC Rules Updated Daily at http://www.hallikainen.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist