✍ This is a 28YBJ-48 Stepper Motor with Gear Reduction, so it has good torque for its size, but relatively slow motion. These motors/drivers are made by the millions for A/C units, fans, duct controls etc. which is why they are so inexpensive. Available in 5V or 12V.

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▼ Specification :-
Model : 28BYJ-48
Number of Phase : 4
Speed Variation Ratio : 1/64
Stride Angle : 5.625° /64
Rated voltage : DC [5v - 12v]
DC resistance : 5v: 60Ω±7%(25℃); 12v: 130Ω±7%(25℃)
Frequency : 100Hz
Idle In-traction Frequency : > 600Hz
Idle Out-traction Frequency : > 1000Hz
In-traction Torque >34.3mN.m(120Hz)
Self-positioning Torque : 5v: >29.3mN.m; 12v: >42.1mN.m
Friction torque : 600-1200 gf.cm
Pull in torque : 300 gf.cm
Insulated resistance >10MΩ(500V)
Insulated electricity power : 600VAC/1mA/1s
Insulation grade : A
Rise in Temperature <40K(120Hz)
Noise <35dB(120Hz,No load,10cm)

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???? Anything can ws us @ +6018 2870 232 ✅