Adding the device
Open the MobiFlight Modules dialog
Click on the MobiFlight Modules button in the main window toolbar.
![Screenshot of the MobiFlight Modules button in the main window toolbar.](/screenshots//main-window-toolbar-modules.png)
Add the stepper motor
Click on the board the device is connected to, then select Stepper from the Add device menu.
![Screenshot of the menu open with the Stepper item highlighted.](/devices/stepper-motor/adding-device/screenshots/add-device-menu.png)
Configure the stepper motor
In the Additional settings section, select the 28BYJ - Half-step mode (recommended) preset.
Set the Pin 1, Pin 2, Pin 3, and Pin 4 dropdowns to the board pins connected to the IN1–IN4 pins on the driver board.
Provide a meaningful name for the stepper in the Name field. This name is shown in the output configuration screens when assigning the stepper to a flight simulator output.
![Screenshot of the settings for a stepper motor, with pin 2, 3, 4, and 5 selected, Stepper as the name, and the 28BYJ - Half-step mode (recommended) preset selected.](/devices/stepper-motor/adding-device/screenshots/device-configuration-28BYJ-half-step-mode.png)
In the Additional settings section, select the Generic - EasyDriver preset.
Set Pin 1 to the board pin connected to the PUL- pin on the driver board. Set Pin 2 to the board pin connected to the DIR- pin on the driver board.
Provide a meaningful name for the stepper in the Name field. This name is shown in the output configuration screens when assigning the stepper to a flight simulator output.
![Screenshot of the settings for a stepper motor, with pin 2 and 3, Stepper as the name, and the Generic - EasyDriver preset selected.](/devices/stepper-motor/adding-device/screenshots/device-configuration-generic-easy-driver.png)
Upload the changes to the board
Click the Upload config button at the bottom of the MobiFlight Modules tab to upload the modified configuration to the board.
![Screenshot of the MobiFlight Module dialog with the Upload config highlighted.](/screenshots//upload-config-button.png)
Close the MobiFlight modules dialog
Click the OK button to close the MobiFlight modules dialog and return to the main app window.