
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。
ARM 汇编指令:LDR - 技术栈
3 days ago · ARM 汇编指令:LDR LDR 在 ARM 汇编中是 Load Register 的缩写,即 "加载数据到寄存器"。 你可以把它理解为 C 语言等高级语言中的 "读内存" 或 "指针解引用" 操作。 核心功能 从一个内存 …
ARM指令中LDR与MOV的区别与应用 - 知乎
综上所述,LDR用于从内存加载数据到寄存器,常用于读取变量、数组等;而MOV用于在寄存器之间传递数据,常用于加载立即数、赋值和操作数据。
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的用法 (ARM指令及伪指令) - 代码先锋网
LDR的用法 (ARM指令及伪指令),代码先锋网,一个为软件开发程序员提供代码片段和技术文章聚合的网站。
What Is an LDR and How It Works in Electronics
An LDR is used in devices that need to detect light or darkness. Common uses include automatic street lights, alarm systems, brightness control in screens, and simple light-sensing circuits.
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.
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BATON ROUGE – The Baton Rouge office of the Louisiana Department of Revenue (LDR) will stop accepting cash payments effective Nov. 1, 2025.
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.