Connect Arduino pin9 to CS of 8×8 LED Matrix; Connect Arduino pin10 to CLK of 8×8 LED Matrix; Connect an external 5VDC (1A) to VCC of 8×8 LED Matrix; Connect external 5VDC supply’s GND, to the GND of ...

When designing a handheld device with a color display using white LEDs for backlighting, is it better to use parallel or series connected LEDs? Both architectures have their own advantages when you ...