Gated automatic lamp circuit (3)

Published:2012/9/5 22:37:00 Author:Ecco | Keyword: Gated automatic lamp | From:SeekIC

As shown in figure, the gated automatic light uses an ordinary music doorbell chip skillfully, it has the following main functions: ① When you return home at night and open the door, the lights can be automatically lit with 20s, so it avoid trouble from looking for light switch in the dark; ② During the day, switch is automatically blocked, and closing door won't light the lamp; ③ The wiring is simple, it can be directly connected in parallel at both ends of the light switch, then this lamp has gated and light control functions.



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