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Packages 
Package Description
lejos.hardware
EV3 hardware support
lejos.hardware.device
Support for EV3 third-party devices
lejos.hardware.device.tetrix
HiTechnic Tetrix Motor and Servo controller support.
lejos.hardware.ev3
EV3 hardware access
lejos.hardware.gps
The lejos.hardware.gps package provides GPS parsing.
lejos.hardware.lcd
Access to the EV3 LCD
lejos.hardware.motor
Access to the motors that the EV3 supports.
lejos.hardware.port
Access to EV3 ports
lejos.hardware.sensor
Access to all the sensors that are supported on the EV3.
lejos.hardware.video
Access to video devices
lejos.remote.ev3
Access to remove EV3s from an EV3 or a PC.
lejos.remote.nxt
Remote NXT access over Bluetooth
lejos.remote.rcx
Emulation of RCX communication classes
lejos.robotics
Hardware abstraction interfaces for the robotics package.
lejos.robotics.chassis
Modeling of wheeled vehicles
lejos.robotics.filter
Filters for sample providers.
lejos.robotics.geometry
Geometric shape support for robotics using float co-ordinates
lejos.robotics.localization
Localization support
lejos.robotics.mapping
Support for maps
lejos.robotics.navigation
Navigation classes.
lejos.robotics.objectdetection
Object detection classes.
lejos.robotics.pathfinding
Path finding classes.
lejos.robotics.subsumption
Support for subsumption architecture.
lejos.utility
More utility classes
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