An LED matrix installed in a real pumpkin ... Explaining this in detail is beyond the scope of this tutorial but as long as you are keeping current consumption for your parts within the device ...

If you’ve ever seen those cheap LED fiber optic wands at the dollar ... which holds the fibers in place over a matrix of LEDs. The individual LEDs of the matrix light individual fibers, which ...

Tesla was expected to turn on the matrix-LED adaptive headlights in the US long ago. However, it only went halfway by offering curve-tracking adaptive headlights but not individual pixel control.