Ok, I'm convinced .. would this work: http://www.ebay.com/itm/CAR-LED-Waterproof-20w-DC-DC-Buck-Converter-24V-to-12v-/251173241355
Also, what about dimmers? I see PWM dimmers on ebay purpose built for LEDs but they don't step the voltage down. How does that work? Steve Suhana, C&C 32 Toronto On Fri, Jun 28, 2013 at 9:52 PM, Knowles Rich <r...@sailpower.ca> wrote: > I'll see what it looks like when it gets here. A shot of lacquer will > probably do just fine to seal it. Or a shot of liquor for me if it helps. > > Rich Knowles > Indigo. LF38 > Halifax > > On 2013-06-28, at 22:07, Graham Collins <cnclistforw...@hotmail.com> > wrote: > > Hmm... screw terminals, yes, but nice? > > Well, if I were buying it to put on a boat I would first give it a scrub > with isopropyl alcohol to get the flux off, and it wouldn't hurt to brush > some epoxy on it to seal it. Otherwise the residues I can see in that > picture will eat the circuit board within a year. > > Graham Collins > Secret Plans > C&C 35-III #11 > > On 2013-06-28 5:02 PM, Knowles Rich wrote: > > Steve and others: > > > > I chose the unit I noted because it has a toroidal transformer which > likely makes it a switching unit and, according to the description, it will > maintain a constant output regardless of input voltage. Also it has nice > screw terminals. > > > > Rich Knowles > > Indigo. LF38 > > Halifax > > > > On 2013-06-28, at 9:25, Steve Thomas <sthom...@sympatico.ca> wrote: > > > > > > Rich, > > On a second look I realized that the devices I ordered will not > work for you since the output voltage cannot be adjusted > > lower than the input. > > > > This unit might suit your application. It is a purpose built constant > current LED driver from the same guy, and even less > > expensive. > > > > > http://www.ebay.ca/itm/DC-Converter-Constant-Current-Voltage-1-3-30V-LED-Driver-Battery-Charger-LM2596-/390616867671?pt=LH_Defaul > > tDomain_0&hash=item5af2946357 > > > > Steve Thomas > > C&C27 MKIII > > Port Stanley, ON > > > > -----Original Message----- > > From: CnC-List [mailto:cnc-list-boun...@cnc-list.com]On Behalf Of Steve > > Thomas > > Sent: Friday, June 28, 2013 8:12 AM > > To: cnc-list@cnc-list.com > > Subject: Re: Stus-List LED cabin lights > > > > > > > > Rich, > > I ordered 4 similar devices from this guy a couple of days ago. > The price is a bit better directly from China. My intention > > is to be able to run 24 volt equipment. > > > > > http://www.ebay.ca/itm/281041084321?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649 > > > > Steve Thomas > > C&C27 MKIII > > Port Stanley, ON > > > > > > -----Original Message----- > > From: CnC-List [mailto:cnc-list-boun...@cnc-list.com]On Behalf Of > > Knowles Rich > > Sent: Friday, June 28, 2013 7:31 AM > > To: cnc-list@cnc-list.com > > Subject: Re: Stus-List LED cabin lights > > > > > > For those who may recall my little LED cabin lighting project (Fred for > one), I noticed that there is some light level flutter > > when my Espar heater or refrigeration is running, an effect that is not > noticed on incandescent lights. I am also concerned about > > the long term negative effect of high voltage levels during battery > charging. The only practical solution is to install a voltage > > regulator in the lighting circuits. > > > > After a day of unsuccessful local research, I stumbled on the URL below > and have ordered a couple to try out. The source dx.com is > > an interesting one you may wish to explore a bit. > > > > > http://dx.com/p/car-150w-dc-8-32v-to-9-46v-voltage-boost-converter-regulator-for-laptop-blue-206971?utm_rid=95527470%2C95527470&ut > > m_source=shopping&utm_medium=pcs&utm_campaign=paidshopping > > > > Rich Knowles > > INDIGO LF38 > > Halifax, NS. > > > > > > > > > > > > > > _______________________________________________ > > This List is provided by the C&C Photo Album > > http://www.cncphotoalbum.com > > CnC-List@cnc-list.com > > > > > > _______________________________________________ > > This List is provided by the C&C Photo Album > > http://www.cncphotoalbum.com > > CnC-List@cnc-list.com > > > > > > _______________________________________________ > > This List is provided by the C&C Photo Album > > http://www.cncphotoalbum.com > > CnC-List@cnc-list.com > > > > _______________________________________________ > > This List is provided by the C&C Photo Album > > http://www.cncphotoalbum.com > > CnC-List@cnc-list.com > > > > > > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com >
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