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RaspberryPi: Bash one-liner to read and log raw data from DS18B20 sensors into a file (every 10 seconts)
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| watch -n 10 "TIME=\$(date '+%Y-%m-%d %H:%M:%S'); READING=\$(cat /sys/bus/w1/devices/28*/w1_slave); echo \"\$TIME\\n\$READING\" | tee -a /var/tmp/thermo.log" |
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Follow the logs with
tail -f /var/tmp/thermo.log