Recent content by waterbottle

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    How to dim LED array without a switch when power is cut off

    The power is removed completely and the LEDs will also shut off completely. The LEDs will light up slowly to full brightness. The only issue is I want the LEDs to slowly dim down, then fully off. But right now it will only shut off immediately when power is removed. There is a switch in the...
  2. W

    How to dim LED array without a switch when power is cut off

    There's a ceramic wrapped resistor in series with the LED.
  3. W

    How to dim LED array without a switch when power is cut off

    There is no analog dial for the dimmer. The LEDs are connected in parallel. There is a AC to DC power supply. 12Vdc & 8.5A. Basically it is AC converted to DC. When AC power is supplied, the LEDs will slowly light up. When AC power is cut off, the DC power will be cut off too and the LEDs will...
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    How to dim LED array without a switch when power is cut off

    Hi. I've got a LED dimmer circuit. When the dc power turns on, the LED will slowly lights up. There is a switch in the circuit that if I "open" the switch, the LED will slowly turns off. The million dollar question is how do I remove the switch and the LED will slowly turns off when the...