April 2025
Beginner to intermediate
220 pages
7h 59m
English
Content preview from Make: Robotic Arms
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139Chapter 7: 3D Robotic Arms
Next, we need to test motors 2 and 3, but to do so, we must be extra careful
about which direction each of our motors is moving in. What is unique about
this link in our robotic arm is that we have two servos that work together
to lift the joint. If we were to program just one of the two motors to move,
we could seriously damage our robotic arm. In addition to needing them to
move at exactly the same time, there’s one more complication: These two
motors are mounted facing each other, which means that if both motors are
programmed to move in the same direction, one will rotate backward. So
not only do we need both ...
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