Sensors and Input Systems
📋 What it is
Sensors are a robot's "senses" — they measure light, distance, touch, sound, or motion and turn it into data.
🗣️ Coach says
A robot's SENSE step happens through sensors. A distance sensor measures how far away a wall is; a light sensor detects brightness; a touch sensor knows when it bumped something. Each turns a real-world thing into numbers the robot can use. More/better sensors = a robot that understands more.
🧠 Memory hook
Sensors turn the real world (light, distance, touch) into numbers the robot can read.
😂 Giggle
Why did the proximity sensor break up with the color sensor?
It felt they were growing too distant!
😲 Whoa!
A self-driving car can carry dozens of sensors at once — cameras, radar, and spinning lasers — reading its surroundings many times per second.
✅ Quick check: What is the job of a robot's sensor?
Say your answer out loud first — then reveal.
To measure something in the real world (light, distance, touch, sound, motion) and turn it into data the robot can process.
Sensors convert real-world conditions into usable data — the robot's senses.
🧪 Try it! (2 minutes)
List the "sensors" a human body has (eyes, ears, skin…) and match each to a robot sensor.