knoopx/README.md

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Creality Ender 3 Stock Factory Vref

Raw

Creality3D v1.1.2 stock vref values

A4988 Drivers
Vref set to ~90% of stepper rated current
Rs = 0.1ohm

X = 0,58v (0,725A)
Y = 0,58v (0,725A)
Z = 0,58v (0,725A)
E = 0,72v (0,900A)

Stepper Motor datasheets

Naming: [JK][S]HS[L]-[100][4]

JK: Manufacturer (jkongmotor) S: Size (42mm) HS: Hybrid Stepper L: Length (34/40mm) 100: Rated current 1.00 4: Number of wires

X, Y, Z: 42x34 1.8deg 0.84A 4xwires jk42hs34-0844 yal8-23
E: 42x40 1.8deg 1.0A 4xwires jk42hs40-1004a-02f
http://www.jkongmotor.com/Product/42HS-NEMA17-2Phase-Stepper-Motor-1-8%C2%B0.html
https://jkongmotor.en.made-in-china.com/product/pvdJZFXCiRks/China-Jk42hs40-1704-NEMA-17-3D-Printer-Stepper-Motor-42mm-Reprap-Motor.html

References

mdsitton commented Feb 18, 2025

https://drive.google.com/file/d/10bUmRyaTjHy4UPEDfP2xxpU4MgqT2sci/view?usp=sharing

Here is the BJ42D15-26V10 that i got from them, seems like the actual motor specs are the same as most of these so far.

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