AC	Alternating Current
AHRS	Attitude and Heading Reference System
ARM	Advanced RISC Machine
CCD	Charge Coupled Device
CNC	Computer Numerical Control
DC	Direct current
DMP	Digital Motion Processor
DOF	Degree of Freedom
FAA	Federal Aviation Administration
FC	Flight controller
FFT	Fast Fourier Transform
GUI	Graphical User Interface
MEMS	Micro-electromechanical Systems
PCB	Printed circuit board
PID	Proportion Integration Differentiation
POS	Position and Orientation System
PRI	Photochemical Reflectance Index
RC	Remote control
SPI	Serial Peripheral Interface
SRAM	Static Random Access Memory
UART	Universal Asynchronous Receiver/Transmitter
UAV	Unmanned Aerial vehicle