Auto Lock 360掳 Rotating Gravity Car Mount Air Vent Stand Holder For Phone GPS Sliver

Deceleration stepper motor: 聽 Diameter: 28mm Voltage: 5V Stepping angle: 5.625 x 1/64 Reduction ratio: 1/64 5-wire 4-phase can be driven with ordinary uln2003 chip can also be used in conjunction with the use of two-phase development board,
can be used directly plug, easy to use stepper motor in the development board
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