A robot is a machine that can SENSE the world, THINK with a program, and ACT with motors — from the vacuum on your floor to the rover on Mars.
🤖How Every Robot Works: Sense → Think → Act
👁️SENSE
Sensors gather information — the robot's eyes, ears & skin.
"What is around me?"
➜
🧠THINK
A program (sometimes AI) decides the best thing to do.
"What should I do?"
➜
⚙️ACT
Actuators like motors & servos make it move — the muscles.
"Now do it!"
🦾Parts of a Working Robot
🔧 Find the four key parts!
A SENSOR 👁️ gathers info about the world.
A PROGRAM 🧠 is the step-by-step instructions.
A SERVO ⚙️ is a precise motor that bends the joints.
The END EFFECTOR 🤏 is the tool at the tip that does the job.
🔁The Feedback Loop: Fixing Its Own Mistakes
🕹️Autonomous vs. Remote-Controlled
🛰️AUTONOMOUS
Decides for itself. It senses, thinks, and acts on its own — no human steering every move. AI makes more robots autonomous.
🔴 Mars rover · 🧹 robot vacuum
🎮REMOTE-CONTROLLED
Waits for a human. A person sends commands and the robot follows — it does not decide on its own.
🚁 piloted drone · 🤖 RC robot
🔑Key Terms
🤖RobotA machine that can sense, decide, and act on its own (or with little help).
👁️SensorA part that gathers info about the world — a robot's eyes, ears & skin.
⚙️ActuatorA part that makes a robot move or do something — its muscles.
📜ProgramStep-by-step instructions that tell a robot exactly what to do.
🔁Feedback LoopSense → act → sense again to check and adjust what it did.
🧠Artificial IntelligenceComputer "brains" that learn from examples to make smart choices (AI).
⭐Remember: every true robot follows the same pattern — it SENSES with sensors, THINKS using a program, and ACTS with actuators. A feedback loop lets it fix its own mistakes!
✏️ Future-Ready Anchor Chart · Robotics: Machines That Sense & Act