BIGTREETECH SKSM User Manual
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BIGTREETECH SKSM User Manual

External module for 3d printers
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Summary of Contents for BIGTREETECH SKSM

  • Page 1 SKSM User Manual...
  • Page 2 BIGTREETECH SKSM V1.0 User Manual Revision Log Version Date Revision v1.00 April 19th, 2024 Initial Version v1.01 April 26th, 2024 Added wiring diagrams for SKSM and BIGTREETECH Pi 2 V1.0.1. v1.02 April 28th, 2024 Made corrections to some of the explanations and images...

  • Page 3: Table Of Contents

    SKSM + BIGTREETECH Pi V1.2 Wiring ............7 3.2. SKSM + Raspberry Pi Wiring ................8 3.3. SKSM + BIGTREETECH Pi 2 V1.0.1 Wiring ............ 9 3.4. SKSM + Manta Series Board Wiring .............. 10 System Configuration ....................11 4.1.

  • Page 4: Product Information

    1. Product Information The SKSM is an external module for 3D printers that features the ability to save data in the event of a power outage. It is suitable for 3D printers that use 12-24V DC power supplies and are equipped with Klipper firmware, such as the Ender 3.

  • Page 5: Powering Up

    2. Powering Up When the SKSM is powered on, the red LED in the upper left corner (which flashes for 15 seconds when the capacitors are completely discharged) indicates its status. The red light flashes during charging, and once the BAT+5V begins to discharge normally, the red light stays on continuously.
  • Page 6 Pin Description 1) PB0 SKSM (INPUT PIN): Input detection, high level active. Receives a high-level signal from the host. 2) PB1 (OUTPUT PIN): Outputs a low-level signal when power is lost; when the host detects this signal, data is synchronized and the system will shut down.

  • Page 7: Sksm + Bigtreetech Pi V1.2 Wiring

    3.1. SKSM + BIGTREETECH Pi V1.2 Wiring (Note: The +5V at the 2.54mm socket is for emergency power output only and should not be used for regular power supply. Please use USB-C for power supply.)

  • Page 8: Sksm + Raspberry Pi Wiring

    3.2. SKSM + Raspberry Pi Wiring (Note: The +5V at the 2.54mm socket is for emergency power output only and should not be used for regular power supply. Please use USB-C for power supply.)

  • Page 9: Sksm + Bigtreetech Pi 2 V1.0.1 Wiring

    3.3. SKSM + BIGTREETECH Pi 2 V1.0.1 Wiring...

  • Page 10: Sksm + Manta Series Board Wiring

    3.4. SKSM + Manta Series Board Wiring...

  • Page 11: System Configuration

    4.2. Usage for BIGTREETECH Pi 2: 1. Access BIGTREETECH Pi 2 by entering its IP address in remote login software. 2. Send the command: sudo nano /boot/armbianEnv.txt 3. Enable the content shown in the picture.

  • Page 12: Usage For Raspberry Pi

    4. After making the changes, save with Ctrl + S, exit with Ctrl + X (or directly Ctrl + X to exit, press Y to confirm the changes, and press Enter to save), then type sudo reboot to restart the host machine. 4.3.

  • Page 13: Precautions

    3. The reset pin on the SKSM can be connected to a master computer with power reset capabilities, such as the BIGTREETECH Pi 2, Raspberry Pi 4 Model B.
  • Page 14 Should you require further resources for this product, you can find them at [GitHub](https://github.com/bigtreetech/). If you cannot find what you need, you may contact our after-sales support (service005@biqu3d.com). If you encounter any other problems during use or have suggestions or feedback,...

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