How to make the LED lamp turn off and on smoothly?

I have a time timer, I need the LED lamp to turn on smoothly without my participation for about 30 seconds, and when the timer works, it goes off 30 seconds smoothly.

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Posted: Updated: 04.11.2017 2 comments
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2 comments

  • Admin
    04/22/2017 at 18:25

    The scheme of smooth on and off can be assembled with a minimum number of parts, on a specialized chip KR1182PM1. Management takes place through a special contact. The LED lamp should be special, with a dimming function. Attached the circuit to the message.

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  • Oleg
    10/07/2019 at 19:02

    Are there any ready-made devices?

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