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 …
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 - 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.
Light Dependent Resistors (LDRs) – Electricity – Magnetism
Oct 26, 2023 · Light Dependent Resistors (LDRs), also known as photoresistors, are a crucial component in the world of electronic circuits. These components exhibit photoconductivity, which …
What is LDR? A Complete Guide to Light Dependent Resistors
Apr 14, 2025 · An LDR, or photoresistor (also called a photocell or photoconductor), is a passive electronic component whose electrical resistance changes dramatically with light intensity.
What Is an LDR and How It Works in Electronics
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 …
Photoresistor | Resistor Types | Resistor Guide
Photoresistors, also known as light dependent resistors (LDR), are light sensitive devices most often used to indicate the presence or absence of light, or to measure the light intensity.