This is a splittable 40 pin jumper wire, it is super flexible, can be transformed from 1-40 pin jumper wire. With some of these, you will no need to worry about the jumper wires you got before do not fit your project, just split it and go.
Put on your sunglasses before using this matrix with 64 eye-blistering RGB LEDs adorn the panel for a blast of configurable color. Arranged in a 8x8 matrix, each pixel is individually addressable. Only one pin is required to control all the LEDs. You can cut a trace and use nearly any other pin if you need some customization.