Hi there! you can create virtual devices using the SmartThings Schema following the steps above, the thing that changes between devices is mainly the connector.js file.
The device profile is used to define the capabilities used by it and the presentation (which capabilities are shown in dashboard - state and action, etc.)
Here’s the profile I created based on your DTH:
Note: the capabilities Actuator and Sensor are deprecated.
Below are my ST Schema project and screen captures of the device:
