Turn any photo into a dot grid artwork with these Photoshop actions. You'll get great results with dots that change size. They get larger in brighter areas and smaller in darker areas. Free download available.
In part 2 of the "How do You Achieve This Effect" series, you'll learn how to decode and replicate the colors from other photos you see. This color matching technique is easy and will help you develop a skill not many people have - how to see colors. A lot of people look at photos and say they have that "look". But that doesn't describe anything. By learning how to see colors, you'll know what colors have been changed and which direction the hue/saturation/lightness were shifted.