Raspbery Pi installation + detecting the device ID:
> sudo modprobe w1-gpio
> sudo modprobe w1-therm
> cd /sys/bus/w1/devices/
> lsnote: watch out with the Raspberry Pi 2 (because of DeviceTree config):
"dtoverlay=w1-gpio" needs to be added to /boot/config.txt
http://www.raspberrypi.org/forums/viewtopic.php?f=28&t=97314
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# Read sensor info in file format
temp_file = open("/sys/bus/w1/devices/28-011465166dff/w1_slave")
temp_text = temp_file.read()
temp_file.close()
# The temperature can be found on the second line in the 10th column
second_line = temp_text.split("\n")[1]
temperature_text = second_line.split(" ")[9]
# The first two characters are "t=", so we'll drop those and convert the rest to a number.
temperature = float(temperature_text[2:])
# Convert from millidegrees to degrees.
temperature = temperature / 1000
print("Measured temperature: {}".format(temperature))
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