PPM not stable.

[thiensu1122]

Hi HefnySco,

I got into a problem with PPM. I follow your youtube tutorial about how to enable it and it works, but I don't know why it doesn't really stable as you can see in the video.

https://drive.google.com/file/d/1bfaHCGg9F2aEwT9ZWQVBakmPM7W3v33x/view?usp=sharing

Can you give me advice on this?

Thank you

[HefnySco]

Sorry for late reply.
I got similar results with pwm. I believe it is a driver issue when measuring the pwm pulse.

[highfreq]

Is ppm problem going to be solved? Will it be possible to run just a single wire from receiver to board? I am using an Herelink and i can use only ppm, there aren't single channel cables.

[HefnySco]

I recommend either using the STM32 RCInput module ... it works great.

https://youtu.be/CYxhLD3E1F8

or using PWM/PPM Decoder 8 Channel

[highfreq]

Hello, thank you. Is there any documentation on how to use STM32 rcinput?

[DroneEngage]

please check this

[highfreq]

Any chance you are going to write a decent documentation on how to implement STM32 support on obal?

[HefnySco]

I am currently in the process of working on it. While I have completed the LCD module, I have not yet tested the device as a whole.