🔧 Control a 28BYJ-48 Stepper Motor with Arduino Uno: Complete Guide 📚

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Block Diagram + Code
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Stepper motors fall somewhere between a conventional DC motor and a servo motor. They can rotate continuously like DC motors and be positioned precisely (in discrete steps) like servo motors.
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Gear Reduction Ratio
According to the data sheet, when the 28BYJ-48 motor is operated in full-step mode, each step corresponds to a rotation of 11.25°. This means there are 32 steps per revolution 360°/11.25° = 32.
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In addition, the gearbox inside the motor has a 64:1 gear reduction. This results in 2048 32*64 steps per revolution.
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Operating Voltage 5VDC
Operating Current 240mA (typical)
Number of phases 4
Gear Reduction Ratio 64:1
Step Angle 5.625°/64
Frequency 100Hz
In-traction Torque 34.3mN.m 120Hz
Self-positioning Torque 34.3mN.m
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