Creating a project

First, create a new project as discussed in previous chapters, and name it Controllers. You will receive a new auth token. However, if you would like to use the workspace of the project LED controller you built in Chapter 2, Building Your First Blynk Application, just rename it Controllers. This will allow you to use the same auth token without applying a new one.

Use the following steps to clean and rename the project:

1. In edit mode, first delete the Button widget. To delete, tap the Button widget, then in the Button Settings page, tap Delete. When prompted, tap OK to continue. Now your canvas is empty:

Deleting the Button widget

2. Then, tap the nut icon to open the Project Settings.
3. In the Project Name textbox, change the project name to Controllers. Scroll down the page and tap LED ControllerunderDevices to rename the device:

Renaming the project

4. Tap LED Controller under My Devices:

My devices

5. Change the device name to Controllers:

Renaming the device

6. Finally, tap the back icon three...