Stepmotors convert electrical pulses into incremental mechanical movements. Each “step” is a set angle, providing precise linear positioning downstream. Sometimes, stepmotors are unable to step when ...
Long cardboard tube, such as an empty roll of wrapping paper, to make your ramp. It should be at least two-and-one-half feet long. A thin book or small wood block to raise one end of your ramp. It ...
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