And we end up seeing all kinds of display techniques being used ... LED clock which uses the Neopixel rings as 7 segment displays. Each digit is made using one pair of Neopixel rings, stacked ...

A while back, [limpfish] bought a few four-digit seven-segment displays from ... breakout board for the MAX7219 and two common anode 4×7 segment displays. These displays can be daisy chained ...