| 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 
 |