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This interesting DIY IR Light Dimmer project allows you to make your light into a remote controlled dimmable system, best of all it uses one you your existing remote controls. Have a look at the schematic below and notice that there is no low voltage transformer for the microcontroller. The board layout, schematic and microcontroller code is available so that you can build your very own. Thanks Muris "Dimmer is connected to existing home wiring installation inside a junction box, which is usually located above the light switch. In order to properly connect the dimmer to installation one should follow the schematics provided for that purpose. If connected differently there is a very big chance of some freaky side effects such as burned PIC microcontroller, serious fire and who knows what else."
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February 9th, 2009
any one else noticed that the new “energy saver” bulbs won’t work with a normal dimmer switch…
February 9th, 2009
If you’re talking about the fluorescent (CFL) bulbs, then, yes. They aren’t designed to run on dimmers, as the packaging and labels (at least in the US) clearly state.
February 9th, 2009
Would it work with LED based lighting? ie one of the multi-Luxeon Star or equivilant setups that run off a small transformer.
February 10th, 2009
It should work with LEDs but with resistors instead of transformer. It will not work with fluorescent bulbs because they have their own electronic transformers that do similar thing as this dimmer does. So it can’t be combined… The load must be a simple resistant type, not induction type.
February 10th, 2009
You really ought to use an opto-isolator to avoid a direct connection between the PIC and the mains line.
February 10th, 2009
If I want to avoid a direct connection between the PIC and the mains line than I would have to use transformer too. And that means a very big device that couldn’t fit into the “junction box”. This works just great, as suggested by Microchip
February 10th, 2009
[...] DIY IR Light Dimmer – Hacked Gadgets – DIY Tech Blog [...]
July 4th, 2010
it can connect to another switch thus create a system of combined light switches?, is to turn on / off a light bulb with the light switch and the dimmer independently.
August 21st, 2010
i like the circuit very much.would you please tell me the PIC PROGRAM FOR THIS CIRCUIT, this circuit not reqire program?
August 22nd, 2010
You can click on the link for additional information.
January 17th, 2012
would you please send me the pic program for this circuit?
January 18th, 2012
you can find program for this circuit at http://www.elektronika.ba/projects