B4R Question Simple quadcopter

[Hamied Abou Hulaikah]

I made a simple basic quadcopter, it fly but without control!
I want to make B4R project to control it from my B4A android project, I know the steps.
But: I want arduino shield that control the electric current (resistance) to the 4 motors (each of them separated in control !!!), so I can direct and control its landing, flay direction & take off.

What is the name/type of arduino shield I need? and How many I need, 1 or 4 shields?

 

[tigrot]

Use PWM and an appropriate circuit to drive the electric motors. A shield like this can do the job https://www.ebay.it/itm/114241219456 this controls 4 motors.