Skr Mini E3 V2 Wiring Diagram

If you are planning to upgrade your 3D printer board, the SKR Mini E3 V2 is one of the best options available on the market. This board is perfect for DIY enthusiasts and professionals looking for an easy to use and reliable 3D printer board. In this article, we will discuss the wiring diagram of the SKR Mini E3 V2, which will help you install the board correctly.

What is SKR Mini E3 V2?

The SKR Mini E3 V2 is a 32-bit, easy-to-use 3D printer board that is designed to replace the stock board on your printer. This board is based on the powerful ARM Cortex-M3 microcontroller, and it comes with pre-installed firmware that can be easily customized to suit your needs. The SKR Mini E3 V2 is compatible with a wide range of 3D printers, including the Creality Ender-3 and Ender-5 series, as well as the CR-10 series.

SKR Mini E3 V2 Wiring Diagram

The wiring diagram of the SKR Mini E3 V2 is relatively simple, and it can be easily understood even by beginners. This board comes with pre-soldered connectors and cables, making the installation process much easier. However, before you start installing the board, it is important to carefully study the wiring diagram to ensure that the board is properly connected.

Here’s the wiring diagram of the SKR Mini E3 V2:

SKR Mini E3 V2 3D Printer
+5V +5V
GND GND
USB D+ USB D+
USB D- USB D-
UART TX RX
UART RX TX
SD CARD SD CARD
EXP1 EXP1
EXP2 EXP2

Power Supply

The first thing you need to do is to connect the power supply to the SKR Mini E3 V2. This board requires a 24V power supply, which should be connected to the +V and GND terminals on the board.

If your power supply has a fan, you can connect it to the FAN0 header on the board. This header can be used to control the fan speed using the firmware.

Stepper Motors

The stepper motors on your 3D printer should be connected to the X, Y, Z, and E0 headers on the SKR Mini E3 V2. The wiring for each stepper motor is color-coded, which makes it easy to connect them to the correct headers.

The wiring for the stepper motors should be connected as follows:

  • X Stepper Motor – Red, Blue, Green, Black
  • Y Stepper Motor – Blue, Red, Green, Black
  • Z Stepper Motor – Green, Blue, Red, Black
  • E0 Stepper Motor – Red, Blue, Green, Black

Endstops

The endstops on your 3D printer should be connected to the corresponding headers on the SKR Mini E3 V2. The wiring for the endstops should be connected as follows:

  • X Endstop – Signal, +5V, GND
  • Y Endstop – Signal, +5V, GND
  • Z Endstop – Signal, +5V, GND

Hotend and Bed

The hotend and bed on your 3D printer should be connected to the hotend and bed headers on the SKR Mini E3 V2. The wiring for the hotend and bed should be connected as follows:

  • Hotend – Heater, Thermistor
  • Bed – Heater, Thermistor

FAQ

1. Can I use the SKR Mini E3 V2 with any 3D printer?

The SKR Mini E3 V2 is compatible with a wide range of 3D printers, including the Creality Ender-3, Ender-5, and CR-10 series. However, it is important to check the compatibility of your printer before installing the board.

2. What is the maximum current rating of the SKR Mini E3 V2?

The maximum current rating of the SKR Mini E3 V2 is 10 amps per channel. This means that it can handle up to 240 watts of power, which is sufficient for most 3D printers.

3. Can I customize the firmware on the SKR Mini E3 V2?

Yes, the firmware on the SKR Mini E3 V2 can be easily customized using the Marlin firmware. This allows you to make changes to the settings and features of the board to suit your needs.

4. Do I need any special tools to install the SKR Mini E3 V2?

No, you do not need any special tools to install the SKR Mini E3 V2. However, it is recommended to have a basic knowledge of electronics and wiring to ensure that the board is properly connected.

5. What are the benefits of using the SKR Mini E3 V2?

The SKR Mini E3 V2 offers several benefits, including improved performance, reliability, and ease of use. This board is designed to be user-friendly, which makes it a great option for DIY enthusiasts and professionals alike.

Conclusion

The SKR Mini E3 V2 is a great option for anyone looking to upgrade their 3D printer board. With its powerful features and user-friendly design, this board is a great investment for anyone looking to take their 3D printing to the next level. By following the wiring diagram provided in this article, you can install the board correctly and enjoy all the benefits it has to offer.