Bo Mạch Chủ Mega 2560 + A488 Kèm Cáp Usb Cho Máy In 3d

Giới thiệu Bo Mạch Chủ Mega 2560 + A488 Kèm Cáp Usb Cho Máy In 3d

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Features:
1. The 3D printer accessory kit meets most needs. Including CNC Shield V3.0, board, A4988 StepStick stepper motor module.
2. 3D printer stepper motor shield V3 can be used as a drive expansion board for engraving machines and 3D printers.
3. It has 4 channel slots for the A4988 stepper motor drive module for driving 4-channel stepper motors.
4. Stepper motor only needs 2 IO ports per channel, which means 8 IO ports are enough to manage 3 stepping motors.
5. This shield can quickly manage the stepper motor in your project.

Specification:
CNC guard:
1. PWM spindle and direction pin
2. 4-axis support (X, Y, Z, A- can copy X, Y, Z or use the custom firmware to perform the completed 4th axis using pins D12 and D13)
3. 2 x end stop for each axis (total of 6)
4. Coolant activation
5. Use a detachable A4988 or DRV8825 compatible stepper drive
6. Compact design
7. Stepper motor can be connected or soldered in place using a 4-pin molex connector
8. Please note that this is an unassembled kit that requires basic soldering techniques.
A4988 stepper motor driver:
1. Low RDS (on) output
2. Automatic current decay mode detection / selection
3. Mix with slow current decay mode
4. Synchronous rectification for low power consumption
5. Internal UVLO
6. Cross current protection
7. 3.3 and 5 V compatible logic power supplies
8. Thermal shutdown circuit
9. Ground fault protection
10. Load short circuit protection
11. Five optional step modes: full, 1 / 2, 1 / 4, 1 / 8 and 1/16
Board of Directors:
1. MCU: ATmega328
2. USB interface: ATmega16U2
3. Working voltage: 5V
4. Digital I / O pins: 14 (including 6 with PWM function)
5. Analog input pin: 6
6. I-I / O pin output current: up to 40mA
7. 3.3V output current: up to 150mA
8. Flash: 32kB (including 0.5kB used by the bootloader)
9. Static RAM (SRAM): 2kB
10. EEPROM: 1kB
11. Clock speed: 16MHz
LCD 2004 intelligent controller
1. Easily connect it to the Ramps board using the included Smart Adapter.
2. After connecting this panel to your ramp, you no longer need your computer and the smart controller powers your SD card.
3. By adjusting the rotary encoder on the intelligent control panel, you can perform more operations such as calibration and axis movement.

Package List:
1*RAMPS 1.4
1*Mega 2560
5*A4988 stepper motor drivers (with heat sink)
1*LCD 12864 graphic intelligent display controller
5*Limit Switches
1*USB Cable

Note:
1. Please read the technical parameters of the board carefully before use.
2. When programming the firmware, the mega2560 board can only be connected to the computer via the USB cable.
3. The reverse connection of the power sup

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