1302专用时钟芯片 1602 LCD 显示

1602液晶时钟，初试时间日期自动显示，可以设定时间，日期。-1602 LCD clock, first test time and date automatically, can set the time and date.

1602液晶屏的pcb原理图，设计电子时钟。附有C51单片机开发程序等。-Schematic diagram of PCB 1602 LCD screen, electronic clock design. With C51 MCU development program.

Keli3开发平台 AT89C52单片机 C语言 1602液晶显示 基本电子表功能 定时功能 DS1302实时时钟-Keli3 development platform AT89C52 single chip microcomputer C 1602 liquid crystal display the basic functions of electronic timing DS1302 real-time clock