1/27/2024 0 Comments Arduino stepper motor dimensions![]() EDIT: In an earlier review, I incorrectly assumed that the 'friction' seen with this motor was due to. We also used the cheap circular stepper motor from sparkfun and it only produced 0.030A at 12 m/s and 1450 rpm. A perfect first stepper motor and works well with the Motor Shield for Arduino. Generally, the NEMA17 stepper motor has 200 steps, or 1.8 degrees per step resolution, but there are also models with 400 steps and 0.9 degrees per step. PV2/R, so power at the three speeds was 0.010A, 0.385A, and 0.517A. Easy to use functions for precise control. (Actually its 1/16.032 but for most purposes 1/16 is a good enough approximation) What this means is that there are really 32*16.032 steps per revolution = 513 steps! The shaft is flattened so its easy to attach stuff to it with a set-screw. Arduino library for driving a stepper motor via a motor driver. ![]() Next, connect the Sleep and the Reset pins on the A4988 to the Arduino board. ![]() The Step pin is used to control how many steps the motor takes. The Direction pin is used to select the rotation direction of the motor. There are only 32 step (11.25 degree) per revolution, and inside is a 1/16 reduction gear set. Dimensions: 28mm diameter, 20mm tall not including 9mm shaft with 5mm diameter 9 / 23 cm long cable Holding Torque: 150 gram-forcecm, 15 Nmm/ 2 oz-forcein. Specifications Size/dimension, Round 1.100 dia (28.00 mm) Mounting hole spacing, Flatted Shaft Gear reduction, 1/64 (see note) Step angle. These can be connected to any pin on the Arduino board. This uni-polar motor has a built in mounting plate with two mounting holes. Each phase draws 1.7 A at 2.8 V, allowing for a holding torque of 3.7 kg-cm. This is a great first stepper motor, good for small projects and experimenting with steppers. This hybrid bipolar stepping motor has a 1.8 step angle (200 steps/revolution).
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