Arun smiled and held up a glowing bead. “Light-emitting diodes are diodes that produce light when current passes through. They’re efficient little beacons used for indicators and displays.” Mira watched as the LED blinked like a friendly eye.
Electronic components are the building blocks of all electronic devices, divided into two main categories: passive components (which cannot amplify signals) and active components (which can control and amplify current). Essential Components and Their Functions basic electronics components and their functions pdf
A three-legged component caught Mira’s attention. “Transistors are powerful: they act as switches and amplifiers. With a small input signal, they can control a larger current—like a tiny manager directing a workforce.” Mira saw the transistor as a lever that could turn a whisper into a shout. Arun smiled and held up a glowing bead