28BYJ-48
1. Rated Voltage: DC5V 4-phase
2. Reduction Ratio: 1/64
3. Step Torque Angle: 5.625/64
4. DC Resistance: 200O±7% (25C)
5. Insulation Resistance: >10MO (500V)
6. Dielectric Strength: 600V AC / 1mA / 1s
7. Insulation Grade: A
8. No-load Pull in Frequency: >600Hz
9. No-load Pull out Frequency: >1000Hz
10.Pull in Torque: >34.3mN.m(120Hz)
11.Detent Torque: >34.3mN.m
12.Temperature Rise: <40K(120Hz)
13.Noise: <40dB (120Hz, No load, 10cm)
ULN2003
1. Darlington using high-power stepper motor driver chip.
2. A, B, C, D four-phase LED indicates the status of the stepper motor
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