20 addressable LEDs is only three wires and one Arduino pin.
A MAX7219 could drive your 60 LEDs in a matrix. It has brightness control.
But the 20 smd RGB LEDs would need 125 wires between the drive chip and the LEDs.
Not very practical.
Leo..
20 addressable LEDs is only three wires and one Arduino pin.
A MAX7219 could drive your 60 LEDs in a matrix. It has brightness control.
But the 20 smd RGB LEDs would need 125 wires between the drive chip and the LEDs.
Not very practical.
Leo..