I´ve a DS18B20 sensor connected to my RASPI 2 B.
My OS is: Linux raspberrypi 3.18.10v7-aufs #1 SMP PREEMPT Wed Apr 1 00:07:44 CEST 2015 armv7l GNU/Linux
Connected to my PI with 4K7 resistor as shown in "tons" of HOW TO....
Have 3.3V measured in to the sensor. Wiring is OK....
BUT.... I´m not able to detect the sensor..... main source is the following:
http://www.projects.privateeyepi.com/ho ... ng-ds18b20
Any help welcome