DS18B20

DS18B20

Raspberry Pi

# add this line to /boot/config.txt
dtoverlay=w1-gpio

modprobe w1-gpio
modprobe w1-therm

# device directory
cd /sys/bus/w1/devices
ls -l
# cd to your unique DS18B20 identifier
cat w1_slave

Resources

• 1-Wire at wikipedia.
• Simple Guide to the RPi GPIO Header and Pins