REPUBLIC OF SERBIA

MINISTRY OF DEFENCE

www.mod.gov.rs

MINISTRY OF DEFENCE

Material Resources Sector

Defensive Technologies Department

Military Technical Institute

www.vti.mod.gov.rs

WIRELESS CONTROL oF QUADCOPTER

NATAŠA A. KABLAR

Lola Institute, Belgrade, natasa.kablar@li.rs

Abstract: Today, quadcopter prototyping attracts attention of many enthusiast. Due to development of novel electronic parts like brushless inductive DC motors, electronic speed controllers, Arduino line of boards with microcontrollers, communication modules, sensors, actuators, remote controllers or smartphone or computer applications for input commands, it become interesting to build quadcopter by using these novel devices. In order to do that, skeleton and flight controller for quadcopter is needed. Skeleton can be chosen to be in X or H shape. Flight controller that we are going to build will be consisted of Transmitting and receiving units, that are consisted of joystick and wireless HC-12 modules for transmitting and receiving signals, Arduino Uno board with microcontroller, sensor M6050 with accelerometer and gyroscope in order to provide position of Quadcopter, and four brushless DC motors with Electronic Speed controllers, and battery supply. We briefly describe each of these parts used with explanation of physical principles that underline it, and we build connection diagrams, with aim to develop real prototype of quadcopter. It is also important to program microcontroller in order to process input signals from sensor or command input, into digital outputs that will drive DC motors and provide uptake and driving forces in order to enable flight of of our Quadcopter.

Keywords: Quadcopter, Flight Controller, Arduino Uno board, brushless DC motors, sensor with accelerometer and gyroscope.