Described as a 'bad driver feedback display' the 38 x 16 LED grid will let drivers send a message via Bluetooth from their mobile phone - direct to the driver behind.

May 31, 2012 [Dearmash] put together this RGB LED display using triangles for each pixel. It’s an interesting deviation from the traditional grid layout. There are two video demos after the break.

The Holocube is a 9x9x9 LED grid that runs Doom As spotted by Hackster, this cool cube comes to us via OhmBrew. The creator had previously made an 8x8x8 version, but wanted to revisit it and add ...