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LDR-sensor-Poject LDR Sensor Project Overview This project demonstrates a simple light-dependent resistor (LDR) sensor circuit built using basic electronic components such as an LDR, transistor, ...

To use a dark sensor instead, connect LM358 ‘s pin 7 of to one of Arduino’s digital I/O pins. As a dark sensor, the circuit will output as HIGH when it’s dark and a LOW when there’s light. The output ...

Here are some DIY LDR switch circuits available on our website and the web. LDR switches are used to switch a relay or other device when light are present or absent. LDRs or Light Dependent Resistors ...

For this Keyhole Light Circuit, we need a light sensor to detect the light condition and some circuitry to control the Light sensor. We are using a LDR to get control according to the intensity of ...

The bell rings as soon as someone’s shadow falls on the sensor of this device. Light operated switch circuit The sensor is a light-dependent resistor (LDR) made of CdS semiconductor whose resistance ...

Through a set of webpages, users can remotely control a light intensity sensed through a Light Dependent Resistor (LDR) sensor connected in an arm of a configurable Wheatstone Bridge (WB), whose ...

For accesing the past related articles please use this tag: top 10 projects and circuits or check out the right sidebar. October 2010 Top Projects and Circuits Pressure sensor mat General purpose ...