Usar o APKPure APP
Obter o APK da versão antiga de Arduino Codes Free para Android
Esta aplicação teve variedade de exemplo de código Arduino
This application had variety of Arduino code to use for your example.For an example ,
1)LCD
2)Servos
3)Piezo
4)Rotary Encoder
and many more
This code can be combined with bluetooth control device if the code been adjust.By using arduino programing sofware user can upload the code to Arduino and test the code.
Thank you