Megatronics V2.0 controller
1. Integrated RAMPS, ARDUINO, SD RAMPS etc. property and function in one controller.
2. Support thermocouple, can measure temperature more accurate in wider range than thermistor.
3. Support 6 stepper motor, 3 extruder at most.
4. Support both A4988 stepper driver and DRV8825 stepper driver.
5. Reserved motor impulse and direction output port. Convenient for extra large current (such as 2A, 5A) motor driver circuit.
6. With micro SD card socket.
7. 4-layer board to make this controller.
8. Built-in buzzer for voice to 3d printer’s order.
9. Use stick type protect tube and MOSFET tube. Total 4MOSFET tube which one of them is for heated bed.
10. Can set 12V or 5V power supply by the jumper cap. When it’s operating, 12V is needed if not connect USB.
11. 12V power supply interface have a diode for reversal protection. 5V power supply with 500mA recoverable fuse for protection.
12. Use Atmega2560, USB interface change for FT232R.
13. Support LCD2004 module and LCD12864 module(SD card socket in LCD module is not usable here. But to use onboard TF card socket.)
JP_5VUSB: MCU power supply by USB after jumper cap insert.
RESET-EN: after jumper cap insert, MCU can be resetted(DIR), cannot load firmware by IDE if not plug with controller.
X3: FT232 interface.
ICSP: ISP loaded, can loading bootload.
JP3V3: 3.3V interface.
PS-ON: power output 12V.
AUX3: digital pins 46 47 48 49
AUX4: digital pins 43 44
I2C: I2C interface.
Thermocouple: can connect 2 thermocouple.
Push-key/Keypad: 1. 5V 2. GND 3.D59/A5(E1) 4.d43(Encoder switch) 5.D64/A10(E2) 6. D40(shift out) 7. D63/A9(shift clock) 8. D42(shift LD) 9. D66/A12 10. D65/A11
Endstops: endstops interface.
LCD: 1. GND 2. 5V 3. LCD Contrast 4. RS 5. GND 6.Enable 7. D4 8. D5 9. D6 10. D7 11.5V 12. GND
Temperature: 3 thermistor interface.
A-OUT: Analog interface(compatible with RAMPS).
SERISL: series output(compatible with RAMPS).
Digital I/O: diginal pins 22.214.171.124.126.96.36.199
JP_5V: 5V output
JP_12V: 12V output
X-MOT, Y-MOT, Z-MOT, E0-MOT, E1-MOT, E2-MOT, Zout,Xout,E0out,Yout,E1out. 2 phase stepper motor interface Enable, step, dir, gnd.
Please pay attention to the positive and negative pole of the power supply. If power supply or motor plug in reverse, it might burn the controller and circuit.
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