

| Subject: | Re: LED electrical questions (Building a Sylvania "Dot-Its" unit) |
| From: | neil N |
| Date: | Sat, 23 Aug 2008 15:41:08 -0700 |
Thanks Mark. Yah even with a test supply of 3 volts, each one lit up ok. Neil. On Sat, Aug 23, 2008 at 2:39 PM, mdrillock <mdrillock@cox.net> wrote: > I have one and it lights with only 2 batteries installed if I jumper over > the empty battery spot. Certainly it is not critical to have 4.5 volts. > > Mark > > > neil N wrote: >> >> Hi Ed. >> >> I have these: >> >> http://tinyurl.com/922yn >> >> Was just trying to learn how LED's wire up. >> >> Each one still works, but for some reason, they don't work when + of >> one is wired to - of another (3 total) in series. >> >> i.e. >> >> + - + - + - >> >> Anyhow..... >> >> It should work. >> >> Neil. >> >> >> >> On Sat, Aug 23, 2008 at 2:15 PM, Edward Duntz <eduntz@hotmail.com> wrote: >> >>> >>> I have wanted to do something like this for quite a while. There are so >>> many options for LED lights, but most use a few AA or AAA batteries, but not >>> eight of them, which would give you 12 volts. I like the lights, but don't >>> like the idea of replacing the batteries. I know, as many will point out, >>> that the batteries do last a long while, but I like to have everything wired >>> to 12 volts. I did find some similar lights at Cabelas that are meant for >>> direct 12 volt wiring. Like many projects, I bought them but havan't wired >>> them in yet. >>> >>> Which version of the "Dot-It" did you get? I've got the ones with a >>> motion sensor that activates two levels of brightness. The light is a very >>> clean white, the best I've seen in an LED. It has one very bright LED. I >>> think it is called the Dragon light. It comes in white, black, and silver. >>> It has a very low profile. The others I've seen swivel, one version is >>> waterproof, and there is a rectangular one which pivots as well. >>> >>> Here's a link to the Cabaela's lights: >>> >>> http://tinyurl.com/6z6kza >>> >>> The third one over is the one I have- built-in switch, surface mount, 8 >>> LEDs. >>> >>> Ed in CT >>> >> >> >> > > > -- Neil Nicholson '81 JettaWesty "Jaco http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines http://web.mac.com/tubaneil http://tubaneil.googlepages.com/
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