An Arduino UNO acts as the controller for 8x8 RGB LED Matrix Screen. It responds to commands sent over Bluetooth through a serial protocol. HC-05 bluetooth module enables bluetooth conectivity for the ...

[DIY GUY Chris] has done the latter, producing a tiny LED cube that he says is the world’s smallest. As is so often the way, the build relies on tiny WS2812B-compatible LEDs in a 1 mm x 1 mm ...

A 1x1x1 cube is easy, but it’s a stupid joke and we’ve heard it before. No, to build the smallest LED cube, you’ll have to stuff 64 RGB LEDs into a cubic inch, like [Hari] did with his ...

If you prefer soldering by hand, then you can only solder the bottom side components, as for the LEDs it is not possible to solder them by hand. Programming the LED Cube With the hardware complete, it ...