基于单片机的家用电热水器设计，其中包含多种模式设置，定时设置，水位检测等等，多种功能。更可以定时，加热。自动跳闸。-Microcontroller-based design of water heater, which includes a variety of mode settings, timer settings, level detection, and so on, a variety of functions. More can be timed, heated. Automati