NVIDIA Jetson's PWM Fan custom control

0 background

In use jetson Development process , A fan can be installed for temperature control , Avoid excessive temperature . Use PWM The fan can be regulated , By default, the logic set by the system is used for control , that , If we want to modify the logic ourselves , Can you control according to your own wishes ？ Certainly. ！ And someone has already realized .

1 Hardware connection

Before control , First, connect the fan correctly （ Reference resources link ）

2 The default policy

  The default fan control strategy is shown in the figure （