With the price and availability of components these days, it’s easier than ever to throw a whole pile of LEDs at a build and get them flashing away. The hard part is doing it well. [Amy Goodchild] is ...

A huge interactive LED touchscreen has been set up in the middle of New York City. The unique piece of public art has made its debut at Flatiron Plaza at 23rd Street between Broadway and Fifth Avenue.

It’s simple enough to wire up an LED matrix and have it display some pre-programmed routines. What can be more fun is when the LEDs are actually interactive in some regard. [Giulio Pons] achieved this ...