In this section we'll discuss how to wire up a Dallas Instruments DS18B20 1-wire digital thermal sensor. We'll see how to navigate to it in linux and test to make sure it's working. We'll also briefly discuss 1 wire networks. There is more information below on 1 wire networks not discussed in this video.

Connections:

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GPIO Diagram:
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Pinout for Pin 1 etc:
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Explicit Instructions in text:

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Add the following line to /boot/config.txt

dtoverlay=w1-gpio

sudo modprobe w1-gpio
sudo modprobe w1-therm

cd /sys/bus/w1/devices/
ls

cat w1_slave

About 1-wire networks:

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Reliable Long 1-wire networks

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