LEDs

Raptacon 3200 Skill Tree - schema-driven draft · Specialization - not a primary subteam pick, reached through progress in another tree

Novice

direct supervision 25 hrs · verified by mentor signoff

https://raptacon3200.example/skills/leds/tier/1

LED Circuit Basics

Voltage, current, resistance, why an LED needs a current-limiting resistor

Polarity and Reading a Datasheet

Anode/cathode, forward voltage, reading an LED or strip datasheet

A Single LED as a Subsystem

Wrapping a digital-output LED in a Subsystem with command factories (on/off/toggle/while-held)

Journeyman

direct supervision 60 hrs · verified by practical test

https://raptacon3200.example/skills/leds/tier/2

Addressable LED Strips

wpilib.AddressableLED and the team's Strip helper - setting colors on a real strip

State-Driven LED Behavior

Reacting to a sensor by driving LED state transitions (StatefulAutonomous pattern)

Expert

150 hrs · verified by portfolio review · must have certified someone at Tier 1

https://raptacon3200.example/skills/leds/tier/3

2D Grid to 1D Strip Mapping

Mapping (x, y) matrix coordinates to a serpentine or row-major strip index

Matrix Rendering Primitives

Drawing shapes, text, and simple animations on the mapped grid

Keeping the Render Loop Fast

Updating a full matrix's worth of pixels within the robot's periodic() budget

Master

300 hrs · verified by portfolio review · must have certified someone at Tier 2

https://raptacon3200.example/skills/leds/tier/4

Xbox Input for a Matrix Game

Reading Xbox controller input through the team's real input-factory pattern to drive gameplay

Build a Simple On-Robot Matrix Game

Design and build a simple game (snake, pong, whack-a-mole, etc.) rendered on the dot-matrix display, running on the robot itself, controlled with an Xbox controller. This is the capstone project - not yet scoped beyond this description.