BYJ48 Stepper Motor A stepper motor is an electromagnetic device that moves in discrete steps. It has several coils, with a series of magnets mounted on the central shaft. By alternating the application of current or no current to the coils around the shaft, magnetic fields are created that either repel or attract the magnets on the axis, causing the motor to rotate. This unipolar stepper motor, 28-BYJ48, comes with 5 wires and 4 coils. The center connections of the coils are connected together
Specifications: Four-phase A, B, C, D with LED indicators to show the working status of the steppermotor.Thestepper motor has a standard interface for easy plug-and-play use.The 5-wire, 4-phase design is compatible with a common ULN2003 chip driver, allowing for connection to two phases, supportingdevelopment boards, and easy direct connection. Rated voltage: DC 5V, 4-phase Insulation resistance: >10MΩ (500V) Dielectric strength: 600V AC / 1mA / 1s Step angle: 5.625 x 1/64
DC resistance: 200Ω±7% (at 25°C) Reduction ratio: 1/64 Insulation class: A No-load pull-in frequency: >600Hz No-load pull-out frequency: >1000Hz Pull force: >34.3mN.m (at 120Hz) Holding torque: >34.3mN.m Temperature rise: < 40K (at 120Hz)
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