时钟\温度计程序( 用1302\18B20\12232F显示)，控制转换器件位AT89C52，采用12M晶振。可在液晶屏上显示年，月，日，星期，时，分，秒等信息；可进行实时时间的调整；可设定多次定时功能；能在EEPROM中存储定时数据，能编按键音功能，并且可以整点报时。,Clock \ thermometer Procedure (with 1302 \ 18B20 \ 12232F display) to control the digital conversion devices AT89C52, using 12M crystal. LCD screen can display year, month, day, week, hour, minute, second, etc.　can be adjusted in real-time time　many times can be set from time to time　and can store from time to time in the EEPROM data, the sound will be allocated to the function keys and can be the whole point of time.