Instead of a few displays that can be bought from the usual retailers for a dollar a piece, [Esai] made his own four digit, seven-segment display on some perfboard. Before soldering 58 SMD LEDs to ...

We’re used to seeing all manner of seven-segment displays ... [Dave]’s take on this theme started by building his display from laser-cut plywood pieces, which is a nice choice because of ...

seven-segment display (Image courtesy of LXD, Inc.) In their natural state, liquid crystals line up with the orientation "rubbed" into the front and rear glass panels. The rubbings are microscopic ...