It’s not as simple as you’d think, at least in the Arduino ... on a segment, he connects a segment to a GPIO pin set high while sending 3.5 volts out of the DAC output into the display ...

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 ...