Hot glue guns are pretty simple beasts: there’s an on/off switch, a heating element, and a source of current, be it battery or wired. You turn it on, and the heater starts warming up; ...
Imagine you wanted to move a use a DC motor and get that thing to rotate to a specific position. This graph is an example of what might happen: The x-axis is time, the y-axis is motor position. The ...
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