采用单片机作为本设计的核心元件，利用红外线遥控原理和单片机串行发射、接处等功能而设计的一款有本机开锁和遥控开锁的电子密码锁。本文介绍密码锁的总体功能，基本功能设计，基于红外遥控原理的遥控发射电路设计，本机键开锁原理，红外遥控开锁原理-The use of single-chip microcomputer as the core component of this design, the use of infrared remote control theory and single-chip serial launch, then the Agency and other functions designed to have a local and remote unlock unlock the electronic locks. This article describes the overall function of locks, the basic functions of design, based on the principle of infrared remote control firing circuit design, this machine unlock key principle, the principle of infrared remote unlock