Everyone loves LED matrices, and even if you can’t find what you like commercially, it’s pretty easy to make just what you want. Need it big? No problem; just order a big PCB and some WS2812s. Need ...
The latest device crafted by the prolific maker going by mitxela comprises an LED matrix board, “a bunch of electronics” underneath it, an infrared sensor, a coin battery, and the motor from a CD ...
Sometimes all that’s required to build something interesting is to put the same old pieces together differently. [Sayantan Pal] did this for the humble RGB LED ...