I have two ceiling fans in my kid's rooms that have four lights on each
fan. These are controlled by a remote control which can dim them. I want
to use compact flourescent bulbs, but the dimmable flourescent bulbs are
ridculously priced, I'd spend over $120 for eight of them.
I'm thinking of wiring the coil of a relay to the output of the light
control module inside the fan, which will energize at probably any of
the dimmer voltages, and hook the four lamps all to 120V.
I'm wondering what the waveform out of the dimmer module looks like, and
if it'll work okay with an AC coil relay. Typically it's chopped AC.
Because the remote control for the fan/light works via the dimmer
circuit microcontroller. I guess I could add another remote with a
controller that turns the relay on and off, but I want to not have more
Your idea may work, but I think I would just continue to use regular
lamps, they will likely look better anyway. BTW I do use a number of CFs
and do like them, but there are just some places they don't look right or
they lack the ability to dim, which I like.
Well they already have desk lamps on reading lamps by their beds, but
for the ceiling light, the incandescents are too hot, and they burn out
too often, besides using a lot more electricity.
In any case, I took apart the light area of the fan, and it's rather
confusing. I expected just 120V coming into the dimmer, but apparently
the circuit also uses some of the lower voltages from the fan speed control.
I have ordered an appropriate relay that will be easy to hook up inside
the enclosure (http://www.zettlerelectronics.be/datasheets/AZ2280.pdf ).
Amusingly, this relay cost $2.86 from an electronics distributor, but I
found the same one for $28.00 from a company that sells spare parts for
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