Bar graphs seem like one of the simplest ways to represent data. Many people assume that the longer the bar, the bigger the number it represents. Sometimes bar graphs represent an average not a total ...

You can make a bar graph in Excel by first selecting the range you want to depict, and then using the dropdown menu to select the desired chart.

Instrument designs featuring a digital display may benefit from a secondary display that provides an analog version of the displayed parameter. A bar-graph display provides an easily interpreted ...

The driver board with display attached; the row of lamps is visible on the right hand side. LEDs weren’t always an easy solution to displays and indicators. The fine folks at [Industrial Alchemy] ...