WS2812 Panels

I currently have a couple of flexible WS2812b panels ordered from Aliexpress. They come in the following configurations:
- 8x8 pixels, 80x80mm
 - 16x16 pixels, 16x16mm
 - 8x32 pixels, 80x320mm
 
I plan to use these as a programmable load when testing the LiPo Stamp.