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8LEDnixietubeelectronclockprocedure
- AT89C2051只有15个IO口,要显示8位数码管有点吃力,必需扩展,所以找来74HC595串转并移位寄存器,一个做段显一个做位选,只用三个IO口就解决了8+8的显示,如果要再多一点也不怕,不过2051只有2K的存贮空间,也限制了显示位数。DS1302占用3个IO,这样一个P1只用了6个IO,还有两个空着,准备设置一个LED感应自动开关和一个DS18B20,如果程序大小允许再加入红外摇控,把LED显示做大一点,就是一款实用的电子钟。-AT89C2051 only then 15 IO mout
DS1302
- DS1302数码管显示 时间日期可调 C程序-The DS1302 digital display date and time adjustable C program
ds1302kongzhideshijanxianshi
- 通过AVR单片机写时间信息到DS1302,然后读取DS1302的时间信息,并显示到数码管上。有后备电池的情况下,单片机复位或断电,不影响DS1302的时钟,即DS1302仍能正常计时。-AVR microcontroller write time information to the DS1302, then reads the the DS1302 time information, and display the digital tube. Backup battery case, the
all
- 绝对原创的自制时钟程序 已实现 ds1302加数码管显示-failed to translate
time_led
- 读出DS1302里的时间信息,进行转码,然后送入MAX7219里送入数码管里-DS1302 in read time information, transcoding, and then fed into the digital tube inside MAX7219
ds1302
- 用ds1302在数码管上显示时间,写单字节,一位一位的写 写多字节,先写地址再写数据-Using ds1302 in digital tube display time, write a single-byte, a a write Write more bytes, write the address to write data
smgxssj
- 四位一体共阴数码管显示时间,三个独立按键控制时间的调时选择、加一、减一,效果明显,时钟芯片是ds1302,stc89c52作为主控芯片-Four in one common cathode LED display time, three separate buttons to control the time when the transfer options, plus one, minus one, the effect is obvious, the clock chip ds1302,
DS1302
- DS1302八位数码管C语言可调时钟日历-DS1302 eight digital clock C language adjustable calendar
89C51
- 51单片机模块,包含键盘,LED,数码管,DS1302,DS18B20,蜂鸣器,超声波模块-51,including key,LED,DS1302,DS18B20,beep,sonic
DS1302
- DS1302时钟芯片用数码管显示时分秒年月日(DS1302 clock chip with digital display)
例程源代码
- 采用单片机技术实现多功能电子时钟。本设计应用AT89C51芯片作为核心,7位LED数码管显示,使用DS1302实时时钟(The multi function electronic clock is realized by using single chip computer technology. This design uses AT89C51 chip as the core, 7 bit LED digital tube display, use DS1302 real time cloc
数码管显示时钟
- 实时时钟芯片是日常生活中应用最为广泛的消费类电子产品之一。它为人们提供精确的实时时间,或者为电子系统提供精确的时间基准,目前实时时钟芯片大多采用精度较高的晶体振荡器作为时钟源。有些时钟芯片为了在主电源掉电时,还可以工作,需要外加电池供电。(Real-time clock chip is one of the most widely used consumer electronic products in daily life. It provides precise real-time tim