The algorithm in this microcontroller design this design drives an LED matrix and provides digital-voltage-readout and bar-like dot displays, showing dots for a graphical output if the input value is ...

The LM3914 is a truly versatile component. Besides LEDs, only a few other components are needed to make the ‘bidirectional’ bargraph voltmeter shown here. The circuit is similar to a conventional bar ...

In addition to their customary roles as indicators and illuminators, modern LEDs can also serve as photovoltaic detectors (reference 1 and reference 2). Simply connecting a red LED to a multimeter and ...

Most small-size color LCD displays today use white LEDs for backlighting. These systems usually involve handheld devices with an LED drive circuit powered by a battery whose output voltage varies over ...

Explore the OLED vs Mini LED debate and discover the best gaming displays of 2026. Learn how next‑gen screen technology ...