Circuit Schematic

Is there a circuit schematic available for the K1MAX mainboard?

Hello @hubsy

I couldn’t find a detailed schematic for what you were wanting. This is the closest I got…
What are you working on…?

Here is a link to help replace the mainboard:
K1 Mainboard Replace

Thank You, but I’m looking for the schematic diagram of the circuit board, not to replace it.

LoL, I think that would be proprietary information to Creality.

I need to confirm the values of the missing resistors in order to use the spare inputs to PortA. Tests show 100ohm, pin to cpu. 10kohm pulldown, pin to gnd.

Take a look on github or klipper3d.org

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