DS1302 based digital control clock circuit design LED digital tube clock circuit 24h time mode, hour, minute, second with six digital tube display, including hours, minutes and seconds between the use of the decimal point separately. The circuit used AT89C52 MCU and DS1302 real time clock chip, the use of 5V power for electricity, the use of two buttons to tune, the adjustment process by regulating the minutes or the clock will be flashing, and looks very intuitive, In addition, The design also features fast transfer time, when the button has been pressed, they enter a state of rapid adjusting the time. [The first paragraph]

Packet : 15883868ds1302.rar filelist
ds1302.doc

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