万年历具有以下功能: 2001 - 2050年阳历,阴历、时间、星期液晶显示 提供闹钟功能,闹钟音乐可以选择 整点报时功能 ...而普通单向超温报警难以满足要求,因此,提出一种利用温度传感器与单片机应用系统的双向超温控温系统设计方案。该系统...

-Calendar has the following features: 2001- 2050 Gregorian calendar, the lunar calendar, time, weeks to provide LCD alarm clock function, alarm clock music can choose the whole point timekeeping functions, while the ordinary one-way ... over-temperature alarm can not meet the requirements, therefore, propose a use of Single-chip temperature sensor with a two-way ultra-application system temperature control temperature system design. The system ...