The example author redraws the screen pixel by pixel in a loop, fortunately the TFT_eSPI library has efficient functions so the redraw speed is very good. With a bit of effort you will be able to very quickly generate screens like this one that I made to control some Neopixel LEDs: All graphical elements follow the same coding approach. Use the LittlevGL reference documents to understand what each line in the slider example "setup" tab of the existing slider sketch does. I assume you have the slider example in LittlevGL running and the touch screen working.Īll you need to do now is take time to read the excellent online LittlevGL tutorial (example button code is on page 1!). No point in looking for an alternative to LittlevGL, there is none better. Ah, I suppose that is the danger of trying to answer such a brief question.
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