[Peter Lehnér] has designed a brilliant 7-segment flip-segment ... You may be most familiar with flip-dot displays, basically a dot-matrix grid of physical pixels that are black on one side ...

That’s pretty impressive, considering the last matrix 7-segment display we saw required 48 Arduinos! Another problem is memory – 1152 “pixels” would quickly overrun the 2KB RAM in the ...

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 ...