Test DS18B20 sensor

sudo modprobe w1-gpio sudo modprobe w1-therm cd /sys/bus/w1/devices ls cd 28-xxxx (change this to match what serial number pops up) cat w1_slave The interface is a little unreliable, but fortunately it tells us if there is a valid temperature to read. It’s like a file, so all we have to do is read The response …

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