1. RS232 design controller, integrated extruder(stepper motor, heating element and thermistor) drive, loading ATmega644p chip, input votalge 12-24V DC.
2. Standard USB-B interface.
3. Motor, heating and endstops are all Molex interface.
4. 4 circuit 8 subdivision stepper motor(one of each X, Y, Z,E).
5. Motor, communication translator, heating all come with LED indicator.
6. Support H21LOB or TCST2103 optical endstops.
7. RS485 interface, can extended one stepper driver.
8. MOS tube drive current. Max. current reach 4A.
9. Support 100K thermistor.
1. 1 circuit ADC interface for extruder temperature measurement use.
2. 1 circuit PWM for controlling extruder.
3. 3 circuits endstops: X,Y,Z can connect mechanical endstops, optical endstops or hoare sensors.
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