量产太阳能热水器水位温度显示仪程序(电池型),本程序已经出售几万台产品运行正常.-Mass production of solar water heaters, water temperature display instrument procedures (battery type), the procedures for the sale of tens of thousands of Taiwan' s products have been operating normally.

太阳能热水器控制器程序，包括显示、温度及水位测量-Solar water heater control procedures, including display, temperature and water level measurement