30mm Dots - 12V Digital RGB LED Pixels (Strand of 20) Strips Here is a shield for

Here is a shield for Arduinos that solves this problem

50mm/2" wide

circles and text

a green one lights up when its done

but the connector is only rated for 2A) or a terminal block

30mm Dots - 12V Digital RGB LED Pixels (Strand of 20) Strips Here is a shield forRGB Pixels are digitally controllable lights you can set to any color, or animate. Each round 'pixel cluster' contains 3 RGB LEDs and a controller chip soldered to a PCB. The pixel is then encased in a translucent white 'dot' to make it weatherproof. These are fairly large pixels but they are easy to mount, with two plastic flanges. They're typically used to make outdoor signs. Compared to our other LED dots, these are much bigger and much brighter,