Scroll messages and animations across an LED matrix, and reprogram it by holding it up to your screen.
$25.00
Scroll messages and animations across an LED matrix, and reprogram it by holding it up to your screen.
$22.50
Wave messages in the air and reprogram it by holding it up to your screen.
$15.00
An excellent first SMT kit, this persistance of vision toy is reprogrammed by holding it up to your screen.
$15.00
