<a href="https://www.youtube.com/watch?v=0jFWbNrWhN8">Fan control pi4 temperature control</a><br />
<br />
sudo apt-get update<br />
sudo apt-get upgrade<br />
sudo raspi-config <br />
(performance option ->fan-> <br />
ip port =>26 temp =>60<br />
sudo python cpurunner.py<br />
<br />
온도 화일 안 열린다고 나오면,,,<br />
46 - 49C  change to  50 - 55<br />
sudo mknod /dev/vcio c 100 0<br />
<span style="color:red;">sudo chmod 777 /dev/vcio</span><br />
watch -n 3 vcgencmd measure_temp<br />
sudo vcgencmd measure_temp  파이5<br />
sudo chmod 777 /dev/vcio  속성