The Arduino Uno LED Bar Graph is a linear array of LED lights arranged in a row or column. It typically includes multiple LEDs that light up sequentially or proportionally to a changing input signal.

The Arduino Uno LED Bar Graph Display is a visual indicator comprising multiple LEDs arranged in a linear fashion. It typically features a row or column of LEDs that light up to represent data or ...

Take a gander at the Giant LED bar graph which ... while a couple of transistor ICs controlled by 595 shift registers address them on the low side. ... but in this case it’s an Arduino.