A slight update of the popular Arduino 1-wire library that...
-
Eliminates the need for the extra pull-up resistor (the big show)
-
Adds a busFail() function to let you test for a shorted bus
-
Slight updates to comments and formating
More info at...
http://wp.josh.com/2014/06/23/no-external-pull-up-needed-for-ds18b20-temp-sensor/