So I've been bitten by the Raspberry Pi bug and put together a device to monitor my own network. I have several tools loaded and run the device 24x7. I noticed the device running a bit warm so I wanted to track the temperature over time. Below is the simple shell script I put together to run via crontab as root. The script will output the date/time along with the CPU temperature in Fahrenheit.
During my initial setup I was running closer to 130 degrees but was able to substantially drop the temperature by purchasing a new case from Amazon. I did take the advice of one reviewer and forced the air onto the CPU, seems to have done the trick. I am also using a copper heatsink for extra measure. I've attached the links for both the case and heatsink I used below.
#!/bin/bash
DATE=`date "+%m-%d-%Y %H:%M:%S"`
CELTMP=`/opt/vc/bin/vcgencmd measure_temp|cut -f2 -d"="|cut -f1 -d"'"`
FAR=$(echo "scale=2;((9/5) * ${CELTMP}) + 32" |bc)
#echo "${FAR}'F"
#echo "${CELTMP}'C"
echo "${DATE}: ${FAR}" >> CPU.temp.txt
Raspberry Pi case and heatsink links.
https://www.amazon.com/gp/product/B00M859PA6/ref=oh_aui_detailpage_o04_s01?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B00NKAKN40/ref=oh_aui_detailpage_o04_s01?ie=UTF8&psc=1
Enjoy,
--JR Miller
Sweet. I have one runing tinyCA and another running open ldap. You can't beat a $35 computer.
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