Mike Szczys of Hack a Day wound up wiring 70 LEDs into a hollowed-out pumpkin, giving his gourd a programmable 5-by-14 LED matrix display. The prep process was pretty straightforward: ...

An LED matrix installed in a real pumpkin. ... I used black wire for the short sections because I’ve got a huge supply of it compared to the red, which I’ve cut for the control lines.

LED lighting can add a cool, modern aesthetic to any entertainment space. Here's everything you need to know to buy and install them.

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] achi… ...