Are you experiencing trouble with the wiring of your SKR Mini E3 v1.2 board? If so, don’t worry as this journal article will guide you through the process of correctly wiring your 3D printer board, ensuring that all the connections are correctly made, and you can avoid any future problems.
What is SKR Mini E3 v1.2 board?
SKR Mini E3 v1.2 is an upgraded version of the previous SKR Mini E3 board. It is a 32-bit control board that is designed to be a replacement for the RAMPS board in 3D printer devices. This board utilizes the 32-bit ARM Cortex-M3 series STM32F103 MCU chip, which is designed to work at high speeds to improve the overall performance of the printer. Additionally, it supports UART, SPI, and I2C communication protocols, making it compatible with various 3D printer firmware such as Marlin, Repetier, and Klipper.
Wiring Diagram
In this section, we will provide you with a comprehensive wiring diagram for the SKR Mini E3 v1.2 board. The diagram will include detailed instructions on how to connect each component to the board.
| Components | Pin | Wire Color | Direction | Description |
|---|---|---|---|---|
| X-axis stepper motor | STEP | Green | 1 | Step signal wire |
| DIR | Yellow | 2 | Direction signal wire | |
| EN | 3 | Enable signal wire | ||
| Y-axis stepper motor | STEP | Blue | 1 | Step signal wire |
| DIR | Purple | 2 | Direction signal wire | |
| EN | 3 | Enable signal wire |
For a complete wiring diagram, please refer to the SKR Mini E3 v1.2 manual.
X-axis Stepper Motor Wiring
The X-axis stepper motor is responsible for moving the printer’s print bed along the X-axis. To wire the X-axis stepper motor, follow the instructions below:
- Connect the green wire to the STEP pin on the SKR Mini E3 v1.2 board.
- Connect the yellow wire to the DIR pin on the SKR Mini E3 v1.2 board.
- Connect the EN wire to the EN pin on the SKR Mini E3 v1.2 board.
- Connect the ground wire to the GND pin on the SKR Mini E3 v1.2 board.
For more information about stepper motor wiring, please refer to the SKR Mini E3 v1.2 manual.
Y-axis Stepper Motor Wiring
The Y-axis stepper motor is responsible for moving the print bed along the Y-axis. To wire the Y-axis stepper motor, follow the instructions below:
- Connect the blue wire to the STEP pin on the SKR Mini E3 v1.2 board.
- Connect the purple wire to the DIR pin on the SKR Mini E3 v1.2 board.
- Connect the EN wire to the EN pin on the SKR Mini E3 v1.2 board.
- Connect the ground wire to the GND pin on the SKR Mini E3 v1.2 board.
For more information about stepper motor wiring, please refer to the SKR Mini E3 v1.2 manual.
FAQ
What is the SKR Mini E3 v1.2 board?
The SKR Mini E3 v1.2 board is an upgraded version of the previous SKR Mini E3 board. It is a 32-bit control board that is designed to be a replacement for the RAMPS board in 3D printer devices.
What are the advantages of using the SKR Mini E3 v1.2 board?
The SKR Mini E3 v1.2 board utilizes a 32-bit ARM Cortex-M3 series STM32F103 MCU chip, which is designed to work at high speeds to improve the overall performance of the printer. Additionally, it supports UART, SPI, and I2C communication protocols, making it compatible with various 3D printer firmware such as Marlin, Repetier, and Klipper.
Where can I get the SKR Mini E3 v1.2 manual?
The SKR Mini E3 v1.2 manual is available for download on the official Bigtreetech website.
What is the maximum current capacity of the SKR Mini E3 v1.2 board?
The SKR Mini E3 v1.2 board has a maximum current capacity of 5A per output. It is recommended to use an external stepper motor driver for higher current requirements.
Can I use the SKR Mini E3 v1.2 board with my existing 3D printer?
Yes, the SKR Mini E3 v1.2 board is compatible with most 3D printer devices. However, it is important to check the compatibility of your 3D printer firmware with the SKR Mini E3 v1.2 board before making any modifications to your printer.
What are the UART, SPI, and I2C communication protocols supported by the SKR Mini E3 v1.2 board?
The UART, SPI, and I2C communication protocols are supported by the SKR Mini E3 v1.2 board. These protocols allow for easy communication between the board and other components of the printer, such as sensors, motors, and other peripherals.
Conclusion
Correctly wiring your SKR Mini E3 v1.2 board is crucial in ensuring the proper functioning of your 3D printer. This journal article provided you with a detailed wiring diagram and instructions on how to connect each component to the board. By following these instructions, you can avoid any future problems that may arise due to improper wiring.
