MIDI Keyboard with hexagonal layout. 140 opto-mechanical buttons without electric contacts or wiring. Underneath the keyboard buttons, there are sticks with springs, the tips of sticks are in contrasting color. In a closed box there is placed above a USB camera. In the camera tips of sticks looks as a white dots on a black background. When pressing a button, the dot moves from its place, and special program converts it to midi signal.
There have been several versions of Beeboard, the latter is fully printed on a 3d printer.
Beeboard firmware use Computer Vision library OpenCV. Connects to the DAW via a virtual cable. The camera that is used is Sony PS3 Eye.
Such buttons open up new possibilities of musical techniques. Buttons can not only be pressed, but also slid. With one hand, press 3 octaves at a time. Buttons can be made with different force of pressure. The buttons are touch sensitive.