ad采集加1302时钟，数码管显示（stc12c5a16s2）(记录日期时间和数据，按下key时显示日和小时和数据并发送串口,休眠或掉电后中断唤醒-ad collection plus 1302 clock, digital display (stc12c5a16s2) (recording date and time data, press the key when the display date and hour, and data and send the serial port, in