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Unit 11: Digital & Analog Sensors
This unit teaches students how to read, scale, and act on data from the three main sensor categories available in FTC: digital binary sensors, analog voltage sensors, and I2C sensors for color and distance. Read touch sensors and potentiometers, sample alliance colors, measure range with ToF sensors, and build a sensor-gated intake.
6Live Lessons
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Lesson Roadmap
11.1 · Touch SensorLesson 11.1: Reading Touch Sensor Binary States via DigitalChannelOpen11.2 · PotentiometerLesson 11.2: Scaling Analog Voltage from Potentiometers using Range.scaleOpen11.3 · Color SensorLesson 11.3: Sampling Alliance Colors with the REV Color SensorOpen11.4 · Distance SensorLesson 11.4: Integration of Time-of-Flight Distance Sensors for Obstacle DetectionOpen11.5 · Challenge: Sensor-Gated IntakeLesson 11.5: Challenge — Creating an Automated Sensor-Gated Intake SystemOpenUnit 11 · Mastery QuizUnit 11 Mastery Quiz: Digital & Analog SensorsOpen
What This Unit Covers
Read digital touch sensors correctly, accounting for active-low hardware logic, and use them as reliable software limit switches.
Convert raw potentiometer voltage into engineering units using Range.scale() for absolute positional feedback without a homing sequence.
Sample and compare color sensor channels to identify alliance game elements reliably across different field lighting conditions.
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