ICSE · Grade 3
Ch. 1: Robot Components
Meet robot friends: Android device, battery, motor, LDR, IR, RGB sensors and RJ cable — what each part does.
Name robot components
Battery positive and negative
What sensors do
How motors move robots
🤖 Grade 3 · Robotics
Robot parts friends
Tap each component — meet Andy, Betty, Lina and more!
Tap a part
Meet the robot friends — each has a special job!
# Component index
## Battery
Positive (+) and Negative (−). Energy flows + → −.
## Sensors
- **LDR** — light / dark
- **IR** — object near without touch
- **RGB** — red, green, blue colours
## Motor
Needs power on both wires to spin.
## Android device
Touchscreen + Android system + learning apps.
Topics in this chapter
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Android device
Smart phone/tablet with apps for learning and play.…
-
Battery & holder
Gives power. + and − wires. Holder keeps batteries safe.…
-
DC Motor
Spins when powered — wheels and robots move.…
-
Sensors
LDR sees light, IR sees nearby objects, RGB sees colours.…
-
RJ Cable
Carries messages between parts.…
Philosophy check
- What is this civilization?
- Why was it advanced?
- How did cities work?
- Where do we still see these ideas?
- Exams — what will be asked?