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Dublin Robotics Boosters

Dublin Robotics Boosters. Basic NXT-G Programming. Don’t touch that computer!. Build a solid robot that will do the job within the parameters of the board Build solid attachments that will accomplish the desired missions Set a goal Think strategically

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Dublin Robotics Boosters

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  1. Dublin Robotics Boosters Basic NXT-G Programming

  2. Don’t touch that computer! • Build a solid robot that will do the job within the parameters of the board • Build solid attachments that will accomplish the desired missions • Set a goal • Think strategically • Build attachments that can be changed quickly or can multi-task, if possible • Attachments should always start/stop in same position

  3. Need to have a standard starting location • Consider building a jig for “quick starts” and eliminate errors • Consider using Bluetooth for practices • Bluetooth may NOT be used at tournaments

  4. Programming 101 • KISS - Keep It Simple Silly! • Ask yourself … Is this (method, model, etc) the simplest it can be?

  5. Programming 101 • Change only 1 thing at a time • It’s the ONLY way to tell what is wrong (or right) in the new product. • Document, Document, Document! • Make a record of what you changed so you can go back to the original if it doesn’t work • Rename programs BEFORE you make changes

  6. Programming 101 • Testing, testing, testing… (and testing) • Test until you achieve successful results a minimum of 5 times in a row

  7. Programming 101 • SAVE your work frequently!!! • Coaches should have a back-up of ALL recent programs • Avoid having programs on multiple computers

  8. Programming 101 • Try several options and take the best • Be creative • Get as many kids involved in programming and design as possible • Problem solve with each option • Can 1 option be adapted? • Can 2 options be merged?

  9. Programming 101 • Watch carefully to see where errors occur • Use slow-motion video if desired and available • Teammates should pay close attention to trial runs and mark where errors occur (The ENTIRE team should be watching)

  10. Programming 101 • Leapfrog Development – Use this for PROGRAMS, ROBOT and ATTACHMENTS • Once you have a working robot, program, tool or attachment, DO NOT CHANGE IT. • Build something new that works better. • ONLY tear apart the old model AFTER you have built a better model. • Then DON’T change the NEW one! • READ THE ABOVE AGAIN!!

  11. Now for the Programming… • Input Ports (#1-4) • Used to attach sensors • Output Ports (A-C) • Used to attach motors

  12. Programming… Light Sensor • Reads light sensitivity from surroundings • Reads reflection from IR emitter • Sound Sensor • Measures sound level • Ultrasonic Sensor • Senses distance • Touch Sensor • Responds to press in or release

  13. Programming… • Sequence Beams • Controls the flow of your program • Blocks connected to the beam can be downloaded to the robot. Unconnected blocks cannot. • Blocks • Move Block is most important, most used • Decide how you are going to measure distance to move robot

  14. Programming… (Finally!) Objective… Learn to manipulate Move Blocks Building a Sequence Beam, we’re going to: • Move forward, lift an attachment, return to base Beginner 1

  15. Objective… Learn to pivot and turn Modifying that Sequence Beam, we’re going to: • Move forward, lift an attachment, pivot left and move forward again. Beginner 2

  16. Adding to the Beginner 2 program, how can you get your robot back to base?

  17. This is just one solution… Beginner 3

  18. Sensitivity Training Objective… Learn to use Light Sensors Using a Light Sensor to stop on a line: • Start with the Beginner 2 Sequence Beam • Change the last Move Block to unlimited • Add a Wait Block (Flow Palette), select “Light Sensor”, looking for dark line • Add Move Block to stop B&C motors Beginner 4

  19. Death to Uni-Taskers!! Objective…Learn to run multiple Sequence Beams Lower an attachment while moving out of base • Start with the Beginner 4 Sequence Beam • Add Move Block below 1st Forward Block • Drag Sequence Beam to lower Move Block Beginner 4.1

  20. Getting All Touchy-Feely Objective…Learn to use Touch Sensors Using a Touch Sensor to stop at a wall: • Start with a new Sequence Beam, move forward, unlimited • Add a Wait Block (Flow Palette), select “Touch Sensor”, looking for wall. Some programs/blocks NEED a “Stop” Block. • Add Move Block to stop B&C motors, back up, pivot left and move forward again Beginner 5

  21. Franken-bots • Q & A • Test your ‘Bots • What else can YOU do?

  22. Marble Run Tower Crane Himalayan Double Ferris Wheel Fair Swings Ferris Wheel Power Tower Nick’s NXT obsession… uhhmm… hobby

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