If you're using a 2-d matrix such as an LED curtain or net, WLED has a handy 2d-matrix setup feature that will take care of the mapping for you. Head to Config and choose the 2D Configuration tab.
Check out these tutorials for more about 2d mapping with WLED:
Change the dropdown to read 2d Matrix, and additional options will appear. If you want to sync more than one panel, you can do it here.
Set up your layout numbers to match the number of rows and columns in your project. You can also change orientation here - my pixels start in the lower left corner and finish in the upper right.
Matrix Effects
WLED has a hefty number of matrix effects that appear in the list when you've got your 2d matrix set up. Many of them can be customized with speed and intensity sliders, or different color palettes. Go wild!
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