Applicable model:

• XYZ(Ultimaker, Makerbot), Detla, CoreXY(Hbot) and CoreXZ.

About power function keep playing:

• Lerdg-k motherboard comes with print pause, print save and boot function.
• But if you need the power-saving function and keep playing when power off unexpectedly, and the auto-off function after printing is finished, a power monitoring module is available.

About printing instructions:

• The default lerdg-k motherboard for offline printing (use TF card printing or U disk printing).
• If you need online printing, an online module is needed.

About the use of the heated bed:

• The heated bed with a power of not more than 150w can be connected directly to the motherboard.
• If the power of the heated bed is too large, please use a high-power MOS hot bed module.

Motor driver cooling fan interface:

• When any motor is activated, the fan is on.
• When all motors are off, the fan is off.

Hothead0 Cooling Fan Interface:

• When the hot head temperature is above 45℃, the fan is turned on. When the hot head temperature is lower than 40℃, the fan is off.

Ex-engine interface:

• Ex axis can be used to synchronize X\Y\Z\E0 motor movement or extend to e1 motor interface.

System Reset Interface:

• A normally open two-wire switch can be connected here to realize the emergency stop button.

Servo power selection pin:

• Select the servo power supply voltage between 5V and the motherboard power supply interface voltage, Short the middle and left pins, and select a 5V power supply.
• Short the middle and right pins, and select the voltage of the power supply interface.