Making some name signs with multicoloured WS2811 LED pixels.
This video covers the pixels and controller. These are WS2811 RGB LED pixels, prewired in strings of 50.
This video shows the pixels inserted into black plastic panels to form name signs.
Power supply for these and the controller is 5V DC. If you intend to assemble sinilar things yourself, note that there are several types of these LED pixels - it's essential that the controller and pixels are of the same type. There are also several voltages, these ones were 5V but 12V and other voltages are available.