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A photoresistor (also known as a light-dependent resistor, LDR, or photo-conductive cell) is a passive component that decreases in resistance as a result of increasing illuminance (light) on its sensitive …

Nov 27, 2025 · LDR (Light Dependent Resistor) as the name states is a special type of resistor that works on the photoconductivity principle means that resistance changes according to the intensity of …

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Jul 18, 2019 · This article discusses bout what is a light dependent resistor (LDR), LDR circuit diagram with working principle and applications of LDR.

Feb 17, 2025 · An LDR (Light Dependent Resistor) is a passive electronic component whose resistance changes based on light intensity. When light increases, resistance decreases; when light decreases, …

Jun 18, 2023 · A light-dependent resistor (LDR) is a passive component that changes its resistance based on light intensity. Also known as photoresistors, photocells, or photoconductors, LDRs are …

An LDR or a photoresistor is a device that is made up of high resistance semiconductor material. This article gives an overview of what is LDR or light-dependent resistor circuit and its working.