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This Mini Stepper Motor with Dial provides smooth, precise movement over a ~315° range, with around 0.5° step resolution for creating gauges, dials and other lightweight indicators.
This stepper motor is a little different than the large NEMA-17 types you may be used to. These are often used in gauges for motorcycles and cars to replace the old-style fully-analogue type.
They have extremely fine step precision of about 1/2 a degree per step, 600 steps for single stepping, fast response for quick movements, and a range of 315° degrees. Their smooth motion makes good for small projects that need a dial indicator, and more precision motion than you may get with a needle gauge.
Since this is a bi-polar stepper motor you do need to have some sort of H-Bridge to drive it. A L293D or TB6612 will do the job nicely.
If you have a microcontroller that can drive 200ohm loads you might be able to use the direct pins without extra MOSFETs, just remember to include kickback/flyback protection diodes!
Please note: The motor is quite 'weak', not good for moving anything but a light indicator. We include a red-line dial that fits nicely on top by pushing onto the needle shaft.
Arduino Uno, breadboard, jumper wires and TB6612 board not included.
Arduino Uno, breadboard, jumper wires and TB6612 board not included.
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