Can i use 2 sensors at a time?

Hello Guys. I’m currently developing a drone with PixHawk 4. I want to use LIDAR and Ultrasonic sensors at a time. LIDAR for Height calculating. Ultrasonic for Obstacle avoiding plz help ASAP 1!1!1!1!

Yes, of course you can. Read the documentation on how to set up each one.

But how ? They use Telemetry inputs both of them I also have to use a telemetry module .

No lack of UARTS

How can I assign 2 sensors to different UART Inputs with which parameter

Did you at least read the Wiki Pages?
https://ardupilot.org/copter/docs/common-rangefinder-landingpage.html
https://ardupilot.org/copter/docs/common-object-avoidance-landing-page.html