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Stepper motors for robotics
Stepper motors are a class of widely used engines in many applications such as 3D printers or robotics. They convert an electrical pulse in a defined angular movement called steps. Their advantage is that they have a potentially high torque and are quite accurate.
The Bipolar 200 Steps/Rev Stepper Motor by Pololu is a NEMA 17-size hybrid model with a holding torque of 3.7 kg.cm.
This Pololu hybrid bipolar stepper motor is ideal for all projects requiring precise motor position control.
The NEMA 17 unipolar/bipolar stepper motor (200 steps/rev) proposed here by Pololu has a holding torque of 3.2 kg.cm and can be controlled in two different modes by compatible stepper motor drivers.
This high-torque hybrid stepper motor can operate in bipolar or unipolar mode depending on the motor controller used.
The Sanyo Pancake Stepper Motor is an ultra-flat (pancake-shaped) stepper motor distributed by Pololu.