How to send a data to motor to APM

Hello, I am looking for help. I want to connect apm 2.8 with Arduino Uno but i dont know how. Then use arduino Uno to send data to apm. I want to make my drone automatically rise up or turn around. How can i do this? Any suggestions ?

whitovsky: Any suggestions ?

Yes, start small. Don't use autonomous flight as a first project.

Ok but i just wanna to drone automatically rise up for example. I think it is possible to do

whitovsky: Ok but i just wanna to drone automatically rise up for example. I think it is possible to do

Take the advice given. Start small.

Do you know how to turn on an LED when an input goes LOW ?