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] ...

Sometimes, finding new ways to use old hardware requires awesome feats of reverse engineering, software sleight of hand, and a healthy dose of good fortune. Other times, though, it’s just as simple as ...

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 ...

Traditional bar-graph display adapter circuits have either employed large arrays of low-accuracy analog comparators or microprocessors with additional I/O porting to drive the multiplicity of ...

In what follows, we will refer to these collections as “Breadboards,” “Tools,” and “Components” for short. For example, when working with semiconductors such as transistors, diodes (including ...