51单片机I/O口驱动LED分立元件电路的优化  

The Optimizations of 51 MCU I/O Port Drives LED Circuit by Discrete Components

作　　者：周纬 ZHOU Wei(Guangxi Qinzhou Agricultural School,Qinzhou 535099,China)

机构地区：[1]广西钦州农业学校,广西钦州535099

出　　处：《中国照明电器》2025年第1期127-129,共3页China Light & Lighting

摘　　要：LED凭借其独特的优势,通过与各种电路尤其是单片机信号驱动电路结合,在指示、照明、广告亮化等领域展现出了令人瞩目的功能,给人类的生产生活带来了极大的便利。51单片机以及各种分立元件构成的电路,在很多场合依然显得非常必要和重要。本文探索在各种参数要求下,三极管和电阻的选型与适配,以实现完善的由分立元件组成的51单片机信号驱动LED电路。With its unique advantages,LED has shown remarkable functions in the fields of indication,lighting,advertising lighting and other fields by combining with various circuits,especially single-chip microcomputer signal driving circuits,which has brought great convenience to human production and life.51 single-chip microcomputer and various discrete components composed of circuits,in many occasions still appear very necessary and important.This paper explores the selection and adaptation of transistors and resistors under various parameter requirements to achieve a complete 51 single-chip microcomputer signal driving LED circuit composed of discrete components.

关 键 词：51单片机 I/O口 驱动 LED电路 分立元件 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]