LDR - Light Dependent Resistor | Working, Types, Application
Nov 27, 2025 · An LDR (Light Dependent Resistor) is a passive component that changes its resistance with the intensity of light. It decreases resistance as light intensity increases.
Photoresistor - Wikipedia
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 …
What Is an LDR and How It Works in Electronics - allelcoelec.com
A Light Dependent Resistor, or LDR, is a special component that reacts to light by changing its resistance. The more light it receives, the lower its resistance becomes. This simple yet powerful …
What is LDR? A Complete Guide to Light Dependent Resistors
Apr 14, 2025 · The Light Dependent Resistor (LDR) is a light-sensitive variable resistor whose resistance changes with light intensity. This guide explains its working principle, key characteristics, …
Light Dependent Resistors (LDRs): A Comprehensive Guide
Feb 17, 2025 · Light-dependent resistors (LDRs), also known as photoresistors, are semiconductor devices that change their resistance based on the intensity of light falling on them. These …
Light Dependent Resistor: A Comprehensive Guide - Electrical4U
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 …
LDR Sensor Guide for Beginners: Meaning, Types, and Applications
Jun 11, 2025 · An LDR sensor, or Light Dependent Resistor, is a light‑sensitive device that changes its electrical resistance based on how much light hits it. When light shines on it, its resistance drops.
Photoresistor / Light Dependent Resistor (LDR) Circuit Explained
Feb 5, 2025 · Light Dependent Resistor (LDR) are widely used in various applications where light detection is required, such as in automatic street-lights, camera light meters, and burglar alarm …
What is LDR (Light Dependent Resistor)?
An LDR, a photoresistor, is a passive electronic component whose resistance varies with the intensity of light falling on the element. The resistance is high in darkness or low light, whereas the resistance …
Light Dependent Resistor LDR- Symbol, Construction, Working
In this article, we will learn about Light dependent resistors (LDR or photoresistors), their symbol, construction, working, types, latency, technical specifications, and applications of LDR.