Recent content by spacewrench

  1. S

    Powered DS18S20 won't measure temperature (always 85 deg)?

    I've tried {Match-ROM + Convert} and {Skip-ROM + Convert}...no differences. I haven't had any luck sampling the bus to monitor the progress of the conversion, either. That, coupled with the report that there's a parasite-powered device on the bus, makes me think I've got something basic...
  2. S

    Powered DS18S20 won't measure temperature (always 85 deg)?

    I have a couple of DS18S20s attached to a microcontroller that I plan to use to control a radiant heat system. Right now, they're on about 3" of wire -- I'm just trying to get my software working right. They're wired in powered mode: pin 1 = gnd, pin 2 = 4.7k pull-up to 5v, pin3 = 5v. I wrote...
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