Look for the device named Candy Heart and click CONNECT.

Select the UART option in the modules list.

Type in the text you want for the message and click SEND.

NOTE: Use a comma to separate the two lines of text, ex: line1,line2

The text will be sent.

And the heart message will be updated.

Select the Controller option in the modules list.

Click the Color Picker option.

Select the color you want and hit SELECT.

And the heart color will be updated.