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Mizar S auto leveling 3D printer motherboard，main features are as below：
Adopts STM32F103 chip，working frequency up to 72Mhz;
24VDC input;
Hot bed heating interface, hot bed power supply can support up to 11A current;
Nozzle heating interface;
Motherboard can drive 1 X-axis morot,1 Y-axis motor, 2 Z-axis motor, 1 extruder;
X-axis、Y-axis、dual Z-axis adopts TMC2208 silent driver，non-detachable;
Support FSMC interface screen（8080），physical interface is 40pin，0.5mm FPC connector;
Extruder adopts A4988 driver;
Cooling fan interface;
Auto-leveling sensor interface;
4 limit switch interface;
1 filament detector interface；
Hotbed thermistor interface；
Hotend thermistor interface；
TF card interface；
USB port；
Buzzer；
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