LDR Light Sensor - Arduino Tutorial

Introduction Interfacing a Light-dependent resistor (LDR) with an Arduino UNO to check whether the environment is dim, dark, light, or bright, is a powerful and cost-effective solution for detecting changes in ambient light levels. The … Read more

LDR Light Sensor – Arduino Tutorial

Top-3-Dark-Detector-Circuits

Introduction Darkness scares most of us, and who knows, maybe that was the reason that light got invented. But, today our topic is not about light but the dark. The darkness detector sensor. But, the … Read more

Top 3 Dark Detector Circuits

simple-light-sensor-circuit-photoresistor.jpg

A light sensor circuit activates when light is detected by the circuit. It is a simple circuit including a photoresistor followed by a transistor. When light strikes the surface of the photoresistor, light energy is … Read more

Simple Light Sensor Circuit

Light Sensor Using LM3909 IC

The light sensor circuit is a sensor-based circuit that detects the presence of light and turns on the LED accordingly. The circuit here uses a LED Flasher IC LM3909. IC LM38909 itself is a low-power … Read more

Light Sensor Using LM3909 IC

LM741-Light-Sensor-Relay-Switch

A light-sensing relay switch in a wide variety of renewable energy projects is extremely useful and flexible, from automatic lighting to protection systems. The diagram below shows the proper figure of the LM741 light sensor … Read more

LM741 Light Sensor Relay Switch