Price: $19.71

    The Rainbow Shield is an Arduino compatible board,it uses two MY9221 chips, which is12-channels (R/G/B x 4) constant current Adaptive Pulse DensityModulation(APDM).

    Rainbow shield has provisions for cascading more such boards with 8 power supply, 3 signal line and 1 GND. With the professional multiplexed LED driver and the related power supply circuit, the Rainbow Shield can drive a maximum of 192 single color LEDs or 64 RGB LEDs.


  • Provides 3 x 16 pin header for connecting multiplexed LEDs.
  • Compatible with the 60mm or 48mm LED matrix.
  • Cascading more such boards.
  • Constant current(20.8mA) LEDs driver.
  • Be able to drive 8x8 RGB LED Matrix or 192 single LEDs
  • Built in 5V / 1 Ampere voltage regulator.
  • Can be driven directly via Arduino


    Driver the 60mm RGB Matrix.

    Driver the 48mm RGB Matrix.



Package list

  • Rainbow Shield PCBA x1;

Wiki & External links