circuit to convect 220AC to DC

Discussion in 'The Projects Forum' started by simthembile nqagwana, Mar 29, 2009.

  1. simthembile nqagwana

    Thread Starter New Member

    Mar 29, 2009
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    i need circuit to convect 220AC to DC for my dc lamp controller design
     
  2. samuraimarc

    Active Member

    Mar 28, 2009
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    What voltage is the lamp controller and is there a schematic of the design? If you need 220 dc then a full wave bridge rectifier will do as long as it's rated for 250v. This is not a clean dc so the circuit will all depend on your end needs.
     
  3. jj_alukkas

    Well-Known Member

    Jan 8, 2009
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    Voltage and current rating for DC Lamp. Also is it circuitry/electrical/uC??
     
  4. mik3

    Senior Member

    Feb 4, 2008
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    Do you need isolation form the mains supply?
     
  5. SgtWookie

    Expert

    Jul 17, 2007
    22,182
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    The OP replied in another thread by mistake:
     
  6. Wendy

    Moderator

    Mar 24, 2008
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  7. thatoneguy

    AAC Fanatic!

    Feb 19, 2009
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    If you have access to a mill, a mid-tech way to go about it would be using acrylic.

    Lay out the map, and put sandblasted/routed acrylic in for the sections. Then only 2 LEDs could light up that section with a soft glow, rather than looking like a light bulb.

    If you want to stick with hundreds of LEDs, this could work too, with a nicer outcome, simply make each section smaller, with very tiny gaps between them. Acrylic makes a great "Light Pipe", and will carry light a good distance internally, until it runs into a surface imperfection, at which point the light is diffused.

    So if you use 1/4" acrylic, and drill 3mm holes on each, the LEDs could be glued in with epoxy, then use a router/cnc mill to cut 'waves' into the 'river', keeping the surface rough. When the LEDs are lit, only the river would light up brightly (and the other edge, which would be hidden under the map). Teal colored LEDs would look great for this.
     
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