1. EV3 Programming for FIRST Lego League
LCL Robotics
EV3 Programming for FIRST Lego League
CPC8778!

2. Factors that affect turning accuracy
Programming
LCL Robotics
Factors that affect turning accuracy
Wheel Slip
Dusty wheels
Power too high
Power imbalance
Sudden acceleration & deceleration

3. Absolute Positioning Programming LCL Robotics
Look to use “absolute” positions wherever possible
Square against wall
Roll/slide against wall
Line following
Gyro turn from a known gyro reset point

4. Relative positioning Programming LCL Robotics Reduce variability by
Slower turns
Fewer turns
Matching motors (look for low std dev.)
Evaluate the best type of turn for the situation
Tank, pivot, steering
Use forks and rakes to accommodate inaccuracy

5. Tricks Programming LCL Robotics Make your drive wheels B+C
Default blocks will match your robot.
Make your brain easy to read and to access ports, and change battery if possible
Test concepts early (fail fast)
Minimal attachment changes / fast changes
Starting fixture
Put Post it notes on board, use masking tape
Master Program – add coasts and resets at beginning and end of each program

6. Troubleshooting Programming LCL Robotics Add pauses
Run partial programs
Add sounds
Write info to screen on EV3
Use video on your smartphone, use slow motion
Use Bluetooth feature – watch sensors real time

7. Programming
LCL Robotics
Bluetooth Connection

8. Resources Programming LCL Robotics EV3 Software lessons YouTube
EV3Lessons.com
Books
FIRST forum (need to register)
LOL Robot Runs Playlist YouTube
LOL Website

9. Program Examples Programming LCL Robotics Proportional Line Following
Glitches and work-a-rounds
Doesn’t recognize color
Gyro offset & drift
Unplug sensors
Rebooting robot

10. 0 Setup
LCL Robotics

11. 0 Setup
LCL Robotics

12. 0 Setup
LCL Robotics

13. My Block - Backup
LCL Robotics

14. My Block - BackupFAST
LCL Robotics

15. My Block – ReadValues
LCL Robotics

16. My Block – Gyro Reset
LCL Robotics

17. NEWMASTER
LCL Robotics

18. 1 Sports
LCL Robotics

19. 1 Sports
LCL Robotics

20. 1 Sports
LCL Robotics

21. 1 Sports
LCL Robotics

22. 4 SearchE
LCL Robotics

23. 5 Loop2
LCL Robotics

24. 3 Cloud
LCL Robotics

25. 6 DoorDelivery
LCL Robotics

26. 2 FaceRing
LCL Robotics

27. 2 FaceRing
LCL Robotics