当使用者觉得某个时刻的热饮温度刚刚好适合自己饮用时，就把杯子放到杯垫上，稍等五六秒钟，给DS18B20一点时间来升温，然后按下“记忆”键，此时杯子外部的温度就被记录到了单片机的eeprom里了，即便是断电后，此数据仍会存在-When the user feel a moment of hot temperatures just right for drinking, put the cup into their own on the coaster, wait five or six seconds, give DS18B20 little time to heat up, and then press the　memory　key, the cup the outside temperature was recorded to the microcontroller eeprom Lane, even after a power failure, this data will still exist