Though [Connor] labels it as a work in progress, we’re pretty impressed with how polished his transparent 7-segment display looks ... seven rows of LEDs, with 5 LEDs per row.

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 ...

To turn 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’s common connection. The difference between the two pins is 1.5 ...

In today's video I want to show you 7 segment display with unique machenism that is our own invention. There are 7 circles ...