Formatting output from Raspberry Pi temperature sensors
Raspberry Pi crew released tools and drivers than enabled reading from CPU and GPU temperature sensors. In order to read GPU temperature use: $ /opt/vc/bin/vcgencmd measure_temp $ temp=43.3'
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A collection of 2 posts
Simple temperature measurement with Raspberry Pi and DS18S20 sensor
You can easily get temperature readings from external Dallas DS18S20 sensors (using 1-wire protocol) on your Raspberry Pi. First things first, grab your credit card and order few Dallas DS18S20 sensors and usb