| Ever wondered how a solar-powered lamp powers an LED with just a single 1.2 V cell? A closer look reveals a clever single-transistor voltage...
All items tagged with Circuits & Circuit Design and LED (5)
| Join our enegineers for Elektor Lab Talk on December 19. We'll dive into LED tech, recent projects, and AI fun!
| The MAX7219 is a very useful and versatile display driver that can drive up to 64 LEDs independently. It’s well-known, but existing tutorial...
| The "Circuit Shorts" series continues! This time, Saar covers dual-BJT constant current.
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| This handy transistor tester allows you to quickly test the function of an NPN/PNP transistor, JFET or (V)MOSFET and identify the correct le...