On Sat, Jun 25, 2011 at 6:38 PM, Oli Glaser wrote= : > I've used the DS18B20, I found it to be pretty easy to use and quite > accurate. > If you haven't used 1-wire before, it can be a bit fiddly to get going > depending on what uC/language you are using, but it's no big deal. > Basically you need to make sure you are running fast enough to meet the > timings, as it's all done in firmware. Also you need to decide whether > you will be using parasite power or not. > It's a particularly useful system if you want to save pins and have > multiple sensors (you can have many on one wire IIRC) > Yup, I've used it a few years ago on a breadboard and it worked well. I jus= t need to remember the code for it again and rewrite it for the PIC32. I'll probably go with the DS18B20. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .