SunFounder GalaxyRVR Kit for Arduino, Release 1.0
3.4.3 Course Steps
Step 1: What is a Motor?
Motors play an integral part in our daily lives. They’re everywhere! From the electric fans that cool us on hot days, the
mixers that help us make delicious cakes, to the electric cars that whizz by on the streets – motors make things move!
A motor is like the heart of a machine. It converts electrical energy into mechanical energy, making our toys, appliances,
and even big vehicles come to life!
The magic behind a motor isn’t magic at all - it’s science, specifically the principle of electromagnetic induction. Here’s
how it works: when electricity is supplied to a motor, it generates a magnetic field. This magnetic field then interacts
with other magnets within the motor, causing the motor to spin. This spin, like spinning a top, can then be used to
move wheels, propellers, or any other moving parts of a machine.
The type of motor we’re focusing on in our GalaxyRVR is a specific kind called a TT Gear Motor.
This is essentially a regular motor combined with a series of gears, all encased within a plastic shell.
34 Chapter 3. Course Mode
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