While huge LED panels are a relatively ... To power and control all these seven-segment displays, [Skot] used a Texas Instruments TLC5920 to run four 4-digit displays as a single module.

A while back, [limpfish] bought a few four-digit ... seven-segment displays. He’s controlling all of them at once. [limpfish]’s usual method of controlling a lot of LEDs is the MAX7219 LED ...

The visible brightness of an LED display can be continuously varied by applying a pulsed-signal and varying its duty cycle. Usually, almost all 7-segment decoder ICs have a blanking input (RBI) ...