Hi everyone, I'm a programmer and i don't have much knowledge in eletronics, and I've the following problem: I need to connect 4 ESC 20A Skywalker (follow the link :http://www.goodluckbuy.com/hobbywing-skywalker-20a-2a-bec-brushless-esc-for-quadcopter-multicopter-4-pack.html) on the Pi GPIO pins to ...