I learned that solenoids need a ton of current to work properly, and they also get very hot. Servos and motors are very easy to control with libraries, managing all the PWM clocks and triggers in the background.
Working with my final project mechanism in particular, I learned that fishing wire was a lot more fragile than expected, as the servo I used was able to snap the wire a few times from turning too far. This unfortunately resulted in a lot of time spent repairing the mechanism.
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