
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 …
LDR、MOV和STR指令详解 - CSDN博客
Apr 19, 2025 · ARM 汇编中的LDR、MOV和STR是三个最基础也最常用的指令,它们分别用于数据加载、数据移动和数据存储操作。 理解这三个指令的区别和正确用法对掌握ARM架构编程至关重要。
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 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 …
Photoresistor / Light Dependent Resistor (LDR) Circuit Explained
Feb 5, 2025 · A Light Dependent Resistor (LDR), also known as a photoresistor, is a type of passive electronic component that changes its resistance based on the intensity of light falling on it.
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, …
光敏电阻_百度百科
光敏电阻(photoresistor orlight-dependent resistor,后者缩写为LDR)是一种基于内光电效应的半导体元件,它的阻值依赖于入射光强的变化。
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 …
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.
LDR (Photoresistor) Pinout, Working, Applications & Datasheet
Nov 23, 2020 · The Light Dependent Resistor (LDR) or also popularly known as Photoresistor is just another special type of Resistor and hence has no polarity so they can be connected in any direction.