Text around the circle

Allows you to display text around a circle. It is possible to change the alignment.

Smooth second hand

Makes the second hand move more smoothly. Code for GTR 3 does not work on GTR 4 and other models with ZeppOS v2. The code from GTR 4 works on any version of ZeppOS, but the second hand is not very smooth.

Rotated text

Allows you to display data at an angle. It is possible to change the alignment.

Vibrate

An example of starting a vibration on a watch. In the example, the vibration is turned on by the buttons on the screen.

Element switching

Switching the visibility of elements on click on the screen. Different sets of elements are shown in turn.

Background switching

Switch background (or any image) by clicking on the screen.