AC power supply working status indication circuit

Published:2011/5/3 1:19:00 Author:Ecco | Keyword: AC power supply , working status , indication circuit | From:SeekIC

AC power working condition indicating circuit is shown as the chart, S is the 2 S 1 switch, when S is set to 1 position, the bulb HL gets power and emits light, while LED-G emits green light and it is used as the load working instructions; when the S sets 2 bit, HL is off, LED-G is extinguished, only the LED-R emits red light, which is used as indicating mains supply.



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