Chapter 3 Module test (necessary)
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In this section, the car must be equipped with batteries, and Both S1 power switch and S2 motor switch need
to be preessed. Then 5V, 3.3V, battery power indicators will be turned on.
During the test, the motor will work. So you can disconnect the wheels or put it on the ground to avoid that
it falls down and is damaged. Next, test RGB LED, motor, ultrasonic module, servo, etc.
You can still power Raspberry Pi with a power supply Cable when switches are pressed.
If you have never learned python before, you can learn some basic knowledge via the link below:
https://python.swaroopch.com/basics.html