Stairs Corridor light-controlled circuit

Posted on Mar 28, 2007

Circuit shown in Figure 2-50. This circuit uses field effect tube should, through the ingenious electronic components constitute a unique self-lighting controller. The informal

Stairs Corridor light-controlled circuit
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working lamp illumination is not put out off, but the light is dim. In some cases this is needed. At the same time, this can greatly extend the life of lamps, because before fully lighting the lamp filament has a large cooler state filament resistance, thus avoiding that a large electric lamp connected to the grid when the impact of flow. Delay time is determined by Ci, Ri, as shown by numerical Figure 2-50 about 6min. To disconnect from the controller and enhanced lighting, for example, when cleaning stairs, hit the switch SA may be closed position, then the lamp will add a full-grid voltage.

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