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  • LED Dimming with a variable current source

    This note looks a dimming a 4.3W LED cluster from a variable current source. Here we are simply using a TIP31C transistor with a 4K7 resistor on its Case. Emitter to ground and Collector to the -ve side of the cluster. This gives a current that is varied between 0-330mA for a 0-10V input, which is just...
    Posted to Interfacing with others (public) (Forum) by andy.harris on 06-13-2010

  • Re: Siting the webbricks etc.

    I have: GND floor 7 dimmable areas(over 5 rooms); 11 non dimmable areas 1st floor:5 dimmable areas (over 5 rooms), 5 non dimmable areas loft area: that needs 2 dimmable areas (1 room); 1 non dimmable I also have a splattering of 5A light sockets that are going in. I have the mode SP-06-08 8 channel DMX...
    Posted to WebBrick Controller (public) (Forum) by ian.shaw on 07-15-2008
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