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Blinking led without transistor and ic

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Oct 30, 2025
2:53

In this video, I’ll show you a magical circuit that blinks automatically without using any transistor or IC. Just by placing an LED and LDR face to face, the circuit creates a feedback loop that makes the LED blink or fade in and out continuously. It’s a simple yet fascinating science project you can easily make at home. Watch carefully to see how the LED reacts to its own light — a perfect example of optical feedback! Working Principle: When the LED lights up, the LDR receives the light and changes its resistance. This causes the LED to turn off, and when the light disappears, the LDR resistance increases again — turning the LED back on. This continuous light interaction makes the LED blink automatically #LDR #LED #BlinkingCircuit #NoTransistor #SimpleElectronics #DIYProject #ElectronicsProject #MagicLight #ScienceExperiment #ArduinoFree #OpticalFeedback #LightSensor #TechExperiment #AutomaticLight #SchoolProject #ASNHacker #LDRLEDProject #ElectronicsForBeginners #EngineeringProject #ElectronicHack #PhysicsProject #LightDetector #AmazingScience #DIYElectronics #CreativeExperiment #ElectronicsTricks #LEDProject #ScienceFacts #Innovation #SimpleCircuit

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