... ; 2, real-time display of water temperature; 3, shows Celsius and Fahrenheit temperature; 4,24-hour clock, using power- ... leakage detection; 6, leakage circuit since the detection; 7, temperature sensor open, short-circuit alarm function; LCD display use for water ... ICTs·One AOI (Automated Optical Inspection) test equipment·Two thermal shock testers·PCB design, layout, fabrication, assembly and function ...