A staple of consumer devices for decades, seven segment displays are arguably one of the most recognizable electronic components out there. So it’s probably no surprise they’re cheap and easy to ...

In a previous article, we explored the behavior of an LED diode as a small light source. We have seen how important a protection resistor is to light up this component. In this article, we will ...

The circuit was constructed with seven-segment LED to display which zone triggered the alarm while utilizing six independent zones. Buffered CMOS, denoted by suffix B, were used because the gain is ...