Simply control your LED chain with your smartphone.
With the help of the IR emitter built into some smartphones, an IR signal is generated that controls your LED chain. There is a choice of different remote controls that you can use.
In addition, you can create further remote controls. You can enter a hexadecimal value and the app generates the corresponding signal (protocol: NEC).
To use the app, you need a smartphone with an IR emitter. If you are not sure whether your smartphone has an IR emitter, you can simply download the app and try it.