Rainbow Shield in Elecrow available now!
This Rainbow Shield is used to drive the LEDs components, such as the 8x8 RGB matrix or the seeed rainbow cubes. With the help of Arduino/Crowduino, this shield can driver a max of 192 single color LEDs, or 64 RGB LEDs. it uses two MY9221 chips, which is 12-channels (R/G/B x 4) constant current Adaptive Pulse Density Modulation(APDM), and with the professional multiplexed LED driver library and the related power supply circuit, Rainbow shield has provisions for cascading more such boards with 8 power supply, 3 signal line and 1 GND, can easily control your LED squares to create your idea patterns.
For more detail, please visit Elecrow - Rainbow Shield.