I’ve been trying to get the PWMs outputs of the Jetson Nano to work lately but I didn’t succeed.
I used the jetson-io.py script (which is presented here https://docs.nvidia.com/jetson/l4t/index.html#page/Tegra%20Linux%20Driver%20Package%20Development%20Guide/hw_setup_jetson_io.html) to set the 32 and 33 pins of the 40-pin header to output PWM.
I also use the Jetson.GPIO python library and the simpele_pwm.py sample to test everything.
In fact, When I run the script I do have an output that might look like PWM from very far away but that is absolutely not suitable for servos.
Here is the output on an oscilloscope : https://imgur.com/a/Xb6tlPg and the “rectangles” that you can see on top of the signal, do look like a PWM output as they have the right duty cycle that I provided and the right frequency of 50 Hz but I can’t do anything with it…
My oscillo is wired between one ground pin of the header and the 33 pin (it is the same with the 32 pin)
Do any of you have any idea of what I am doing wrong ?