Blinky Grid is a reprogrammable LED matrix. It has 56 LEDs and can display text and animations in a variety of ways.
This Blinky Grid is red.
Blinky Grid is a standalone product and includes a pre-programmed microcontroller. The display is updated through a web page by holding the Blinky Grid up to your monitor. Two squares on the web page blink, which transmits the new message or animation to the Blinky Grid microcontroller.
It requires 2 AA batteries for use, and assembly requires a soldering iron and solder, a diagonal cutters, and optionally, a hot glue gun and wire strippers.
The Blinky Grid is open source hardware product. This means that W&L share their files used to create these kits, including the circuit schematic, firmware, and PCB layout. They designed the Blinky Grid to be easy to modify.