Eight weeks

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What you are about to build

Week 1Read5 min+12 XP

Week 1: 0 of 9 missions · 0 of 71 across the course · 0 of 2,257 XP earned

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Setup and Java Basics0/9
Teach a computer five facts about a robot, then stop it setting a motor on fire.
0/27
By the end of this week: clamp logic with if/else, tested with 2.0, -3.5 and 0.5
1. Read5 min+12 XP
  What you are about to build
  Eight weeks, from nothing to code on a real robot.
  You are here
2. ChecklistHomework25 min+15 XP
  Homework: start the big download now
  Two jobs, done once, that make weeks 3 to 8 possible.
3. Read6 min+13 XP
  Boxes with names on them
  Store a number once, use it everywhere.
  Finish What you are about to build first.
4. Code8 min+40 XP
  The robot spec sheet
  Five facts about a robot, printed by your own program.
  Finish Boxes with names on them first.
5. Quiz5 min+18 XP
  The division that lies to you
  Six questions about the maths Java does behind your back.
  Finish The robot spec sheet first.
6. Read5 min+12 XP
  Asking the robot a question
  if, else, and why 1.4 is not a motor speed.
  Finish The division that lies to you first.
7. Code10 min+86 XP
  Boss: keep every motor legal
  The week's deliverable - if/else that no mechanism can escape.
  Finish Asking the robot a question first.
8. CodeHomework8 min+42 XP
  Homework: how far did it actually go?
  Turn encoder ticks into inches, the way every auto routine does.
  Finish Boss: keep every motor legal first.
9. QuizStretch5 min+18 XP
  Stretch: decimals are liars
  Why 0.1 + 0.2 is not 0.3, and what to do about it.
  Finish The division that lies to you first.
Methods and Reading Errors0/8
Write it once, name it, and learn to read the compiler when it complains.
0/24
By the end of this week: applyDeadband(), matching WPILib's MathUtil exactly
Week 2 opens once week 1 is done, or when your mentor opens it.
1. Read5 min+12 XP
  Write it once, use it everywhere
  A method is a question your code can ask over and over.
  Opens with week 2. Finish week 1, or ask your mentor to open it.
2. Code7 min+40 XP
  Give it a name
  Turn last week's four copies of clamp into one method.
  Opens with week 2. Finish week 1, or ask your mentor to open it.
3. Read5 min+12 XP
  The compiler is talking to you
  Three habits that turn a wall of red into a one-line fix.
  Opens with week 2. Finish week 1, or ask your mentor to open it.
4. Quiz7 min+20 XP
  Eight real errors
  Every message here came out of the actual compiler. Find the line.
  Opens with week 2. Finish week 1, or ask your mentor to open it.
5. Code8 min+40 XP
  Make it compile
  Broken code, real messages, your job to fix it.
  Opens with week 2. Finish week 1, or ask your mentor to open it.
6. Read5 min+12 XP
  And, or, not
  Three words that make one if do the work of three.
  Opens with week 2. Finish week 1, or ask your mentor to open it.
7. Code10 min+84 XP
  Boss: applyDeadband
  The week's deliverable - and the real WPILib method, line for line.
  Opens with week 2. Finish week 1, or ask your mentor to open it.
8. CodeHomework8 min+40 XP
  Homework: two methods the robot needs
  Are we there yet, and should the rollers be spinning?
  Opens with week 2. Finish week 1, or ask your mentor to open it.
Classes and Objects0/9
Build the blueprint. Then build the robot out of it.
0/27
By the end of this week: A Motor class and a Drivetrain built from two of them, pushed to GitHub
Week 3 opens once week 2 is done, or when your mentor opens it.
1. Read4 min+12 XP
  Blueprint and thing
  One class, four motors. Find out how that works.
  Opens with week 3. Finish week 2, or ask your mentor to open it.
2. Code6 min+24 XP
  Use somebody else's class
  Drive two encoders that already exist. Notice they remember separate things.
  Opens with week 3. Finish week 2, or ask your mentor to open it.
3. Read5 min+14 XP
  Constructors, this, private, final
  Four words that turn a pile of fields into a class you can trust.
  Opens with week 3. Finish week 2, or ask your mentor to open it.
4. Quiz4 min+18 XP
  Blueprint check
  Five questions. Then you build the real thing.
  Opens with week 3. Finish week 2, or ask your mentor to open it.
5. Code12 min+92 XP
  Motor, then Drivetrain
  The week's boss. Build the class the whole robot is made of.
  Opens with week 3. Finish week 2, or ask your mentor to open it.
6. Read4 min+12 XP
  You already wrote a subsystem
  Your Drivetrain versus the real WPILib one. Spot the difference.
  Opens with week 3. Finish week 2, or ask your mentor to open it.
7. Quiz4 min+16 XP
  Git, in order
  Rehearse the five commands on your phone before you type them for real.
  Opens with week 3. Finish week 2, or ask your mentor to open it.
8. ChecklistHomework25 min+30 XP
  Open your first pull request
  The real thing, on a laptop. Six steps, ending with a human reading your code.
  Opens with week 3. Finish week 2, or ask your mentor to open it.
9. CodeHomework10 min+40 XP
  The Intake class
  Homework. Your own class, holding a motor, with one trap in it.
  Opens with week 3. Finish week 2, or ask your mentor to open it.
First Robot Code in Simulation0/10
Write five lines. Drive a robot across your screen.
0/30
By the end of this week: Arcade drive working in the simulator, with a deadband on both sticks
Week 4 opens once week 3 is done, or when your mentor opens it.
1. Robot5 min+26 XP
  Make it move
  Two lines of Java and a robot rolls across the field. Start here.
  Opens with week 4. Finish week 3, or ask your mentor to open it.
2. Read5 min+14 XP
  Fifty times a second
  What you just ran, and why nothing in robot code ever happens only once.
  Opens with week 4. Finish week 3, or ask your mentor to open it.
3. Quiz4 min+18 XP
  Loop check
  Five questions about the loop before you build on top of it.
  Opens with week 4. Finish week 3, or ask your mentor to open it.
4. Robot6 min+28 XP
  Two sticks, two sides
  Tank drive: the left stick runs the left side, the right stick runs the right.
  Opens with week 4. Finish week 3, or ask your mentor to open it.
5. Robot6 min+30 XP
  The robot that spins
  Somebody deleted one line. Press Run, watch it spin, work out why.
  Opens with week 4. Finish week 3, or ask your mentor to open it.
6. Read4 min+12 XP
  WPILib already wrote your deadband
  Your week 2 method, shipped in the library, with one improvement.
  Opens with week 4. Finish week 3, or ask your mentor to open it.
7. Robot12 min+80 XP
  Arcade drive
  The week's boss. One stick to go, one stick to turn, and a deadband on both.
  Opens with week 4. Finish week 3, or ask your mentor to open it.
8. RobotHomework8 min+30 XP
  Slow mode
  Homework. Hold the right bumper for half speed, the way every driver asks for.
  Opens with week 4. Finish week 3, or ask your mentor to open it.
9. ChecklistHomework30 min+24 XP
  Homework: make the project on your own laptop
  Everything you have driven so far has been ours. This one is yours.
  Opens with week 4. Finish week 3, or ask your mentor to open it.
10. RobotStretch6 min+20 XP
  A second speed
  Stretch. Left bumper for a crawl, and a decision about what happens when both are held.
  Opens with week 4. Finish week 3, or ask your mentor to open it.
Command-Based Programming0/8
Stop writing what happens every loop. Start saying what you want.
0/24
By the end of this week: An IntakeSubsystem with an intakeCommand bound to the A button
Week 5 opens once week 4 is done, or when your mentor opens it.
1. Read5 min+14 XP
  Four words and a referee
  Subsystem, command, trigger, scheduler. What each one actually is.
  Opens with week 5. Finish week 4, or ask your mentor to open it.
2. Robot6 min+26 XP
  Watch the scheduler
  A finished robot with one line missing. Add it and the panel comes alive.
  Opens with week 5. Finish week 4, or ask your mentor to open it.
3. Read5 min+14 XP
  Lambdas and command factories
  Arrows, and the four short ways to make a command.
  Opens with week 5. Finish week 4, or ask your mentor to open it.
4. Quiz4 min+20 XP
  Command check
  Five questions on factories, lambdas and bindings before you build one.
  Opens with week 5. Finish week 4, or ask your mentor to open it.
5. Robot12 min+85 XP
  IntakeSubsystem
  The week's boss. Build a subsystem, hand out a command, bind it to A.
  Opens with week 5. Finish week 4, or ask your mentor to open it.
6. RobotHomework7 min+28 XP
  Spit it back out
  Homework. Outtake on B held, and the same command on X as a latch.
  Opens with week 5. Finish week 4, or ask your mentor to open it.
7. RobotHomework10 min+50 XP
  Move the drive in
  Homework. Week 4's arcade drive becomes a subsystem with a default command.
  Opens with week 5. Finish week 4, or ask your mentor to open it.
8. RobotStretch6 min+22 XP
  IndexerSubsystem
  Stretch. A third mechanism, from an empty file, with no starter to lean on.
  Opens with week 5. Finish week 4, or ask your mentor to open it.
Sensors and Simple Autonomous0/9
Give the robot one thing it can see. Then let it drive itself.
0/27
By the end of this week: intakeUntilLoadedCommand() plus a sequential autonomous routine that drives, loads and parks
Week 6 opens once week 5 is done, or when your mentor opens it.
1. Read4 min+12 XP
  One bit of truth
  A beam break is a light and a detector. Learn which way round it reads.
  Opens with week 6. Finish week 5, or ask your mentor to open it.
2. Robot8 min+28 XP
  Wire in the beam break
  Add the sensor, and put what it says on the dashboard.
  Opens with week 6. Finish week 5, or ask your mentor to open it.
3. Read5 min+13 XP
  Commands that know when to stop
  until() and withTimeout(): two ways to end a command that is not a button.
  Opens with week 6. Finish week 5, or ask your mentor to open it.
4. Quiz4 min+20 XP
  Sensor check
  Five questions about pins, polarity and endings.
  Opens with week 6. Finish week 5, or ask your mentor to open it.
5. Robot7 min+30 XP
  Stop when it is in
  One line of decorator turns a held button into a command that finishes itself.
  Opens with week 6. Finish week 5, or ask your mentor to open it.
6. Robot12 min+76 XP
  Fifteen seconds with nobody driving
  The week's boss. Chain two commands into a routine the robot runs on its own.
  Opens with week 6. Finish week 5, or ask your mentor to open it.
7. Read5 min+14 XP
  What PID does (watch only)
  Two traces of the same arm. One overshoots. Nobody is tuning anything today.
  Opens with week 6. Finish week 5, or ask your mentor to open it.
8. RobotHomework10 min+42 XP
  Rewrite the routine
  Homework. Forward, load, park — then do the first two at the same time.
  Opens with week 6. Finish week 5, or ask your mentor to open it.
9. QuizHomework4 min+18 XP
  withTimeout or until?
  Homework reflection. Five questions that make you pick, and say why.
  Opens with week 6. Finish week 5, or ask your mentor to open it.
Real Hardware0/8
Same code, real motors. Safety first, then the swap that proves the point.
0/24
By the end of this week: A PWM subsystem converted to SPARK MAX on CAN, with the commands, bindings and auto untouched
Week 7 opens once week 6 is done, or when your mentor opens it.
1. Checklist8 min+30 XP
  Safety briefing
  Six rules and a signature. Nobody enables a robot until a mentor has ticked these.
  Opens with week 7. Finish week 6, or ask your mentor to open it.
2. Read6 min+14 XP
  What is actually on the robot
  roboRIO, CAN bus, CAN ids, PWM, inversion, vendor libraries. The vocabulary.
  Opens with week 7. Finish week 6, or ask your mentor to open it.
3. Quiz4 min+20 XP
  Hardware check
  Five questions before anybody touches a real robot.
  Opens with week 7. Finish week 6, or ask your mentor to open it.
4. Robot12 min+82 XP
  The swap
  The week's boss. Move the robot onto the CAN bus without touching a single command.
  Opens with week 7. Finish week 6, or ask your mentor to open it.
5. Read5 min+13 XP
  Deploy day
  What a browser cannot do for you, and everything either side of it that it can.
  Opens with week 7. Finish week 6, or ask your mentor to open it.
6. RobotHomework12 min+48 XP
  Somebody else's robot
  Homework. A real project you did not write. Find your way around it and change two things.
  Opens with week 7. Finish week 6, or ask your mentor to open it.
7. QuizHomework5 min+18 XP
  Where does that live?
  Homework. Five questions about the project you just toured. No editor, just navigation.
  Opens with week 7. Finish week 6, or ask your mentor to open it.
8. ChecklistHomework20 min+24 XP
  One thing you would improve
  Homework. Read last season's real code, pick one thing, and say why in the team channel.
  Opens with week 7. Finish week 6, or ask your mentor to open it.
Mini Capstone0/10
Pick one job. Ship it. Show it to the team.
0/30
By the end of this week: One feature, working on the robot, demoed and explained
Week 8 opens once week 7 is done, or when your mentor opens it.
1. Read6 min+15 XP
  Pick your feature
  Seven jobs on the team robot. Read the code, then choose one.
  Opens with week 8. Finish week 7, or ask your mentor to open it.
2. Robot8 min+45 XP
  Slow mode
  Easier. Hold the right bumper and the drivetrain calms down.
  Opens with week 8. Finish week 7, or ask your mentor to open it.
3. RobotHomework7 min+45 XP
  Reverse the intake
  Easier. B spits the game piece back out when the roller jams.
  Opens with week 8. Finish week 7, or ask your mentor to open it.
4. RobotHomework7 min+45 XP
  Put the intake on the dashboard
  Easier. Let the drive team see the roller and the sensor from the pit.
  Opens with week 8. Finish week 7, or ask your mentor to open it.
5. RobotHomework9 min+50 XP
  Move the numbers into Constants
  Easier. One number, one place, so changing it takes ten seconds.
  Opens with week 8. Finish week 7, or ask your mentor to open it.
6. RobotHomework9 min+55 XP
  An intake that knows when to stop
  Harder. Tap X and the roller runs until the beam break sees the piece.
  Opens with week 8. Finish week 7, or ask your mentor to open it.
7. RobotStretch10 min+55 XP
  A simple autonomous
  Harder. Fifteen seconds with nobody driving. Make them count.
  Opens with week 8. Finish week 7, or ask your mentor to open it.
8. RobotStretch9 min+55 XP
  A second command for the drivetrain
  Harder. Tap Y and the robot creeps forward on its own, then stops.
  Opens with week 8. Finish week 7, or ask your mentor to open it.
9. ChecklistHomework30 min+60 XP
  Demo day
  Six boxes. Tick the last one and you have shipped to a real robot.
  Opens with week 8. Finish week 7, or ask your mentor to open it.
10. Read5 min+15 XP
  What happens at kickoff
  January, the game reveal, and the first task with your name on it.
  Opens with week 8. Finish week 7, or ask your mentor to open it.