These are some great DIY projects that you can do for cheap.
With the BlueDisplay library you create the GUI for your application, e.g. Graphics, Text, Buttons, Sliders and Charts on the Arduino itself. No Android programming required! The Arduino is connected ...
These days, a lot of embedded projects feature some sort of screen, and a screen often creates a desire for a nice user interface. [Geoffrey Wells] has created a tool for developing web interfaces ...
On Google Play the openScale version is offered as an open beta. For the latest development state, install the latest openScale dev build from the GitHub release page ...