Lab 1 : connecting the DC motor to with an external power source .

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week6_lab 1.mp4

I had some issues when I tried it with the code.. but overall I found it very simple.

Lab 2:

As I was reading through the lab, I had some questions :

why aren’t we using a transistor to reinforce the voltage since we are also going to use an external power source ?

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If the connection to the power source is to reinforce the torque of the motor then why the motor isn’t running with it only being connected to the USB . ??