此程序为自动上水系统的程序，可以驱动LCD1602，并支持自动上水和上水值的设置。另外此程序还有自动报警功能。-This process is automatic, Sheung Shui, systematic process that can drive LCD1602, and to support the value automatically set and Sheung Shui Sheung Shui. In addition to this program and automat