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1answer
59 views

Low-power halogen lamp dimmer

I want to connect a set of low power halogen lamps to a dimmer. This would be used to illuminate plants who are then monitored using a hyperspectral camera. I was wondering whether any spurious ...
0
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1answer
286 views

Help me understand and fix this dimmer circuit

I have a table lamp which has a busted dimmer control. When I bought it the dimmer used to kinda work but then after a few days it worked only when the rotary knob was turned all the way high. After a ...
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votes
2answers
872 views

Two or more Diac Triac dimmers in parallel

I wanted to know whether connecting two or more simple diac-triac ac lamp dimmers in parallel with the same load cause any problems? I do not want to connect them in series, just parallel will be ...
0
votes
1answer
201 views

Modify 120v lamp dimmer for LED bulb

I have a "stick lamp" that has a pot/twistable dimmer with photocell. It works fine with a 24w Sylvania CFL bulb but won't light this 22w dimmable LED bulb (http://www.ikea.com/us/en/catalog/products/...
0
votes
1answer
93 views

Wall mount Rotary Dimmer installed on lamp cord?

Could I do something like the diagram below, or is this a technically bad idea? I like the feel of this rotary dimmer and was wondering if it was safe to install it on the cord between the outlet and ...
1
vote
1answer
2k views

Discrete lamp dimmer circuit: how to choose component values?

As you can see, the VAR is 500K Ohms, the capacitor is 100nF. (AC voltage = 220V, freq = 50Hz) I already built this circuit and it works perfectly. Can anyone show me how those values were chosen? ...