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Terminology / Acronyms

By Random121, Jimmy Pan · Last updated: October 4, 2026 · Created: September 27, 2026

If you are adding new terms or acronyms, place them underneath the subheading corresponding to the first letter in the term or acronym.

A

Term Description
ACCEL Accelerometer
AN When talking about firmware, this could refer to application notes (e.g. AN1234, AN5286)

B

Term Description
BARO Barometer
BMS Battery Management System

C

Term Description
COTS Commercial off the Shelf

D

Term Description
DMA Direct Memory Access

E

Term Description
ESC Electronic Speed Controller
EXTI External Interrupt/Event Controller

F

Term Description
FC Flight controller
FDCAN Flexible Data-rate Controller Area Network

G

Term Description
GCS Ground control station
GNSS Global Navigation Satellite System
GPIO General Purpose Input/Output

H

I

Term Description
IMU Inertial measurement unit
I2C Inner-Integrated Circuit

J

K

L

Term Description
LC Launch Canada
LiDAR Light Detection and Ranging

M

Term Description
MAG Magnetometer
MCU Microcontroller Unit

N

Term Description
NVIC Nested Vectored Interrupt Controller

O

P

Term Description
PCB Printed Circuit Board
PWM Pulse-Width Modulation

Q

R

Term Description
RTK Real-Time Kinematic
RM When talking about firmware, this could refer to reference manuals (e.g. RM1234, RM0399)

S

Term Description
SPI Serial peripheral interface

T

Term Description
TIM Timer
TVR Thrust vectoring rocket

U

Term Description
UART Universal Asynchronous Receiver/Transmitter
UWB Ultra-Wide Band

V

W

X

Y

Z