BTF-LIGHTING WS2812B ECO RGB Alloy Wires 5050SMD Individual Addressable 8X32 256 Pixels LED Matrix Flexible FPCB Full Color Works with WLED,SP802E,etc Controllers Image Video Text Display DC5V

Something like this Amazon.com: BTF-LIGHTING WS2812B ECO RGB Alloy Wires 5050SMD Individual Addressable 8X32 256 Pixels LED Matrix Flexible FPCB Full Color Works with WLED,SP802E,etc Controllers Image Video Text Display DC5V : Tools & Home Improvement I've used much smaller ones, but they tend to be more expensive, strangely enough.