【摘要】 阐述了稳定可靠的单片机自动供水控制电路的组成、工作过程．提出了采用Ｖ／Ｆ变换的Ａ／Ｄ转换电路、睡眠抗干扰、用光电耦合器取代电磁继电器等几个保障电路正常工作的有效措施．更多还原

【Abstract】 The composition and the principle of the stable and reliable control circuit with single chip microcomputer for automatic water supply are described.Effective measures to guarantee normal working are presented:using A/D transverter with V/F converter,restraining interference by setting a sleeping state,substituting phtoelectric coupling element for electromagnetic relay and so on. [更多还原