Connections on the flight controller from the top to bottom are as follows. Aileron; Elevator; Throttle; Rudder; Auxiliary - On this flight controller it is used to turn the self level on and off . In my case, using a HobbyKing transmitter and receiver, the diagram below shows how it is connected, Channel 1-5 connected in the same way.. This video describes how to set up KK2.1.5 Flight controller board for a QUADCOPTERQUADCOPTER ASSEMBLY Video :https://www.youtube.com/watch?v=CPTvmGcHlrw&t=8.
1 x KK2.1.5 Flight Controller. 1 x Transmitter. 1 x Receiver. 1-3 x 2-4s LiPo Batteries. For a Plane, you will need: 1 x X2212-13 KV Motor (Available at www.rcsunnysky.com) 2 x 25 Amp ESCs that support 2-4s LiPo battery packs. 2 x KK2.1.5 Flight Controllers. 2 x Transmitters. 2 x Receivers. 1-3 x 2-4s LiPo Batteries. Block Diagram of Quadcopter.. Setup and Tuning of KK2.1.5 Flight Controller. Kk2.1.5 multi rotor LCD flight controller board is built on ATML644 PA. Right hand side of board has 8 outputs of which we will be using four only output to connect ESCs directly. We are going to use quad copter so we have used only four output pins.