Step 3: Step 2

line the inside of the jar with paper to help diffuse the light (you can also attack the LEDs with sandpaper) (supposedly that works) it should then look something like this.
<p>&quot;You must be putting way too many volts through your LEDs if your getting hot leds.&quot;</p><p>The question is:</p><p>&quot;What does hot mean?!&quot;</p><p>Hot enough to start a fire!</p><p>3.7V can already heat up a LED, but I guess this is what you call &quot;warm&quot;!</p>
I like.
Adding the proper resistor will lengthen the life of the LED. Just FYI
Its very nicely but its not dangerous the paper in there with the heat from the leds?
If your getting enough heat from your LEDs to do anything at all, then you have bigger problems than that. You must be putting way too many volts through your LEDs if your getting hot leds.
yeah i know but i like to thinking all of those things coz happening bad things some times from china leds -.- :D
Something else that may work instead of lining it with paper or scratching the LED's is using frosting spray paint. On a similar project (Sun Jars... http://snipsly.com/2010/07/15/my-take-on-the-sun-jar/).
i'm looking to do something similar. would anyone happen to know how to also connect a type of switch to the battery to turn the light off and on?
IT would be best to get a toggle switch from radioshack or somewhere. <br>Clip one of the leads from the battery in the middle, run one end into a lead on the switch, solder it there, and do the same with the other end. When your at radishack ask one of the guys there, they can usually help.
Hmmm sounds like what I need....until I have improvised a little with no wiring at all. :)
Nice and easy
You can also sand paper the jar itself to give it a diffused look.
Glue white tissue paper to the outside of the jar...that will diffuse the light too without changing the colour too much.<br /> <br /> I&nbsp;did that to a solar powered version of this that i made...works nicely for my nephew's night light.<br />
does it work?
does what work?
sandpapering the jar
I dont know yet mom wont let me ruin one of her jars.
Or maybe you could use a piece of transparency or cut up a clear pop bottle ? I don't think your mom would mind if you sanded an empty cut up pop bottle ; ) Plus I guess you could make it removable that way as well : )
haha, thrift store, anyone?
lulz, i know wut that's like ;)
I would recommend against sandpapering the jar simply because you'd be putting a bunch of glass dust into the air if it worked. You can buy spray cans from art supply stores that "fog" the glass and make it look the way you're thinking. I feel that would be a bit safer.
That is definetly a good idea, just make sure that you do wet sanding so that you don't get all that glass dust everywhere. try and let me know how it works.
great&iexcl;&iexcl;&iexcl;<br />
This is pretty easy. probably im gonna trie it<br />
instead of trying to sand that mason jar here are a couple of suggestions: first snag a wide mouth jar (like PB or mayo) from the trash or recycling, consider the lid the base and the jar the shade. no need to rule out plastic, it would be much easier to sand, but I think you could get much nicer effects with some other techniques (see below) and since it is junk you can probably do anything (safe) with it that you want and no one will object. paint a diffusing effect inside the jar: this could be as simple as soap; or the snow paint they sell for holiday window decorating; or white glue (preferably one that bonds glass) mixed with flour, or food colour, or sand, or glitter; or buy simulated etching paint (most craft stores.) of course you could get get actual etching supplies (use on glass only) and do the inside or outside of the jar, but that has its hazards. you could also try translucent paints made for glass or plastic, they come in those kits to make fake stained glass sun catchers, but a good craft store should also sell them a la carte. this could be as simple as swirling the inside of the jar with a splash of one or two colours, or painting a very involved design. other ways to do the stained glass effect would be: permanent markers (use a very large jar or work on the outside and, again, handle with care;) a collage of coloured cellophane, photo gels, tissue/crepe paper, plastic scraps, etc., anything translucent, glued to the jar, inside for greatest durability but outside would work if you seal it all over with a couple of top coats; a mosaic of glass tiles (that is probably the most expensive suggestion.)
hi i subscribed you so now we are freinds..................................................forever.......
forever? that sounds scary. lol
yes, yes it is.
since I just joined like a few weeks ago and i dont know much about this type stuff just what does you subscribing to me mean?
Actually, I believe it means whenever you post an ible, then the people who subscribed to you get notification of said ible.
well i thingk it refers to being freinds , like on myspace
I know nothing bout myspace, my folks dont let me (not that i really want to anyways)
oh. ok.
Just curious, do you know the specs of the LEDs you used?
it should work fine, are your LEDs for 3 volts? because if they are it should work. hmm? (wondering deeply)
I dont think they are..... maybe like avg FW is 3.6?
I dunno I lost the label
Hmm. I tried with no resisters and it killed a LED! <em>You are a murderer! (points finger at electrician)</em> I added a new LED, used <a rel="nofollow" href="http://www.ledcalc.com">LED calc</a> in series, added a 100 Ohm Resistor, And now it works like awesome thing. Yay!<br/>
No resistors?
none, thats why I did it in a series circuit, as opposed to a parellel circuit.
How long will the 3 LED's run on a single 9V battery?
several days straight at least.
How do you figure this mathematically?
what do you mean?
Im wanting to know if there is a formula that is used to figure out battery life based on the number of LEDs, the forward voltage, the voltage of the battery....that kind of thing.
I have never heard of something like that.

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Bio: Hi, I'm stephen, I'm a certified welder, working on my machinists cert, and working part time at a hardware store. Mixing in all ... More »
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