This guide will help you find a current list of sensors that will work with DK IoT Studio. The list changes as more elements are made compatible with the Studio.
When logged in you should be in the dashboard. On the left side there should be a navigation bar. Select the projects icon.
Once there select new project.
This will bring up the boards. Select the board you are using.
You should be located in the project main screen. The bottom right of the screen should have an icon that says Add Element, click this.
This should bring up a screen that looks similar to the board screen.
These are all the sensors or elements that can be used in DK IoT Studio. To purchase or get more information on the part you can either plug the part number into the Digi-key search engine, or click on the shopping cart icon to the right of the manufacturer. From the cart you can click on the blue highlighted part number.
This will take you to the main page of the part where you can view the product attributes, view the datasheet and many other options.