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Name | Definition |
|---|---|
ESC | Electronic Speed Controller, used to control the speed of a brushless DC motor. |
xS Battery | A x Series Cell Battery. The number followed by the S refers to the number of battery cells that are in series with each other. More definitions for batteries can be found in Batteries. |
LiPo | Lithium Polymer Battery. A very high power-density battery that is commonly used in UAVs |
UAV | Unmanned Aerial Vehicle |
VTX / VRX | Video Transmission / Video Receiver. The system used so the pilot can see a camera feed remotely |
FPV | First Person View. Refers to the camera view mounted on a drone that the pilot uses |
UART | Universal Asynchronous Receiver/Transmitter. Device to device communication protocol |
I2C | Inter-Integrated Circuit. said “I squared C”, it is a type of serial communication protocol. it is relatively slow |
SPI | Serial Peripheral Interface. Another serial communication protocol. It is very fast |
GPIO | General Purpose Input Output. A basic signal (on or off) |
Transceiver | A combination of a receiver and transmitter |
BEC | https://en.wikipedia.org/wiki/Battery_eliminator_circuit , generally just buck converter (could also be a SEPIC or buck-boost) |
The Drone | The drone as a whole, including electronic components and integrated software systems. |
airframe | Fuselage, wings, control surfaces, & mechanical components used to connect them |
IMU | Inertial Measurement Unit |
GPS | Global Positioning System (device to capture GPS data) |
ESC | Electronic Speed Controller, Motor Controller |
GS | Groundstation |
tracking antenna | all tracking antenna systems. |
T_Telem | telemetry tracking tower |
T_VRX | video receive tracking tower |
CONOPs | concept of operations https://en.wikipedia.org/wiki/Concept_of_operations |
COTS | commercial off the shelf (something you can easily buy) |
GSPC | groundstation personal computer |
GS_SW] | groundstation software |
GUI | graphical user interface |
OSD | on screen display (attitude information overlaid over video feed |
MUX | MUX multiplexer |
DM | direct message |
DSO | Digital Storage Oscilloscope |
IPA | Isopropyl Alcohol |
FT | flight test |
Pm | Power module (a current sensor and power supply in one package, generally used as a power and data source for a flight controller) project manager |
Pdn | Power distribution network (the network for converting and transfering power throughout a system) |
vrm | voltage regulation module (generally another word for a power supply) |
mpn | manufacturer part number |
ic | integrated circuit |
pcb | printed circuit board |
pcba | printed circuit board assembly, a pcb with components solderred onto it |
LL | logic level |
pp | power pole |
NC | not connected (in electronics this is when a wire or pin isn’t electrically connected to anything) |
RF | radio frequency (this term is used generally to define any electronics interfacing with radio frequencies) |
ERC | electronic rules check |
(generic) no ERC | An indicator to describe an intended NC pin |
ELRS | |
POR | plan of record. Generally the source of truth plan approved by upper management that teams should be following in system engineering. |
hitl | hardware in the loop; testing code with the hardware it’s intended to run on |
sitl | software in the loop; a setup for testing software with the other software it’s intended to work with |
Power Supply | https://en.wikipedia.org/wiki/Power_supply “A power supply is an electrical device that supplies electric power to an electrical load.” |
FC | flight controller |
POC | Proof of Concept |
IST | Information Systems and Technology |
C2 | Command and control |
RP or RPed | Reverse Polaritied (means voltage was connected backwards on a device, this kills electronics that are not designed to handle it) |
RPP | reverse polarity protection: https://uwarg-docs.atlassian.net/wiki/spaces/EL/pages/2272002049/Reverse+Polarity+Protection+Circuits?search_id=4e2c4f5a-a670-4c63-a183-b7b340ee22ec&additional_analytics=queryHash---b2d7f24e833051d5fc296d4a747281e9d155ecfb636b983cfd70b51ed9b45a32 |
KT | Knowledge Transfer. A tutorial on how to perform specific tasks, often presented as a video. |
DRI | Directly Responsible Individual: someone owning a project or program |