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http://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/

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Bawls Blue Crystal LED Lightby pmilg on January 9, 2007

Table of Contents

License: Attribution Non-commercial Share Alike (by-nc-sa) .............................................................................

Intro: Bawls Blue Crystal LED Light ...............................................................................................

step 1: Parts and Tools ........................................................................................................

step 2: Drilling the Hole ........................................................................................................

step 3: Soldering .............................................................................................................

step 4: Connection and Testing ..................................................................................................

step 5: Glass Time ............................................................................................................

step 6: Almost Done ..........................................................................................................

step 7: Your Done. ............................................................................................................

Related Instructables ........................................................................................................... 1

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Comments ................................................................................................................... 1
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License: Attribution Non-commercial Share Alike (by-nc-sa)

Intro: Bawls Blue Crystal LED LightI have seen a lot of creative projects which utilize the popular Bawls bottles. Other projects had two features which I wanted to improve on;

1: The common use of batteries instead of a more permanent power source

2: The intensely bright spots which LEDs often produce

I based some of my design off of other projects and modified the points I wanted to improve on, this resulted in the Bawls Blue Crystal LED Light seen bellow.
http://creativecommons.org/licenses/by-nc-sa/2.5/

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step 1:Parts and Tools*If you have not worked with LEDs before I would recommend reading the LEDs for beginners guide before proceeding.

For this project you will need the following;

Tools-Soldering iron-Solder-Hot glue gun-Heat gun (or a lighter)-Drill-Glass drill bit ( Black and Decker Model # 16903 )-Wire cutters-Wire stripper

Materials-Some scrap wire-A resistor (Proper resistance to match your LEDs)-Heat shrink-Eight LEDs-Power supply-Bawls bottle-Empty glass bottles (3 or 4 empty Snapple bottles should do)

Image Notes

1. Glass drill bit2. My hole punch - Not needed for the project.3. Heat shrink - The color does not matter because when done the wires will be hidden.4. Bawls bottle5. Ummmm.... Hersheys Kisses, - Also not needed for the project.6. Soldering Iron7. Scrap wire8. Solder9. Lighter - My replacement for a heat gun.10. Drill11. Wire cutters12. Eight LEDs of your choosing. I used blue LEDs and would suggest blue or white. I don't know the intended voltage for the LEDs used seeing as I scraped themfrom some other electronics.13. Resistors - I used a 100 ohm resistor, but again this may change based on your power supply.14. Glass bottles15. Hot Glue Gun16. Wire strippers

17. Power Supple - Mine puts out 9v at 300 ma.
http://www.blackanddecker.com/ProductGuide/Product-Details.aspx?ProductID=6035http://www.instructables.com/id/E9NFEFO2ZGEV2Z9QKZ/

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step 2:Drilling the Hole*Before you start drilling consider wearing a face mask to filter the small glass particles out of the air you breathe.

Once you have washed out the bottle and gotten the glass drill bit you are ready to go. I would not recommend trying to drill a hole in the glass with anything except thspecial bit, I attempted my first hole with an old dremel bit and the bit melted.

Start by placing your bottle in a vice, this drilling will take a while to do so you dont want to have to hold it the entire time. When putting the bottle in the vice be sure toadd cloth cushioning, this will prevent scratched and the unintended shattering of the bottle. I found that the best approach is to clamp the base of the bottle; this avoidundue pressure on the thinner walls.

After placing the bottle in the vice with the logo down you are ready to drill. This hole will later be an inlet for the power supply wires. Start drilling right above the basekeep the bitcentered in between the two lowest rows of dots. This is very challenging when starting the hole, so long as you dont drill directly into the thick base you will be alright

While drilling apply light pressure and maintain a high speed. The process will be slow. Every 30 to 60 seconds brush away the dust and check your progress. Continudrilling until you breach the inner wall. After 5 to 10 minutes hopefully you will have punctured through, as soon as you notice that you have done so slow down yourdrilling. At this point you must continue drilling slowly until you have a hole big enough to fit your wires through. If you drill to fast once you have punctured the inner wthe bottle begins to vibrate and then shatters. (I found that out the tough way.)

Image Notes1. Cloth padding

Image Notes1. Bottle base2. Area to place hole.

Image Notes1. Glass dust - Do Not Breathe!2. Finished hole

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step 3:SolderingBe sure to wash the bottle out after drilling, while it dries you can solder the LEDs together.In the following schematic I used a 100 ohm resister if your power supply is different than mine please use the proper resister.

Simply follow the attached schematic. You will be building four parallel circuited which are then wired in series followed by a resister. Build the string of lights so that it approximately the height of the bottle, if anything make it a bit shorter. As you construct the circuited be sure to put the heat shrink on before you solder the wirestogether. (This may sound stupid bit when you forget it is a Paine to get the cover on after.)

Image Notes1. Be sure to change your resister and setup if needed based on your powersupply.

Image Notes1. Area where I forgot to put on heat shrink first.2. One of the four parallel sets of LEDs.3. Resister4. Scraps of wire

step 4:Connection and TestingBy the time you finish soldering all of this together the bottle should be dry.

At this point feed the power supply wires through the hole and out the mouth of the bottle. Dont forget to tire a loose knot in the wire, later on you will tighten this up sothat it provides a sturdy point incase the wire is ever tugged on. Connect the power supply wires to your newly completed circuit and give it a test run. If it works thensolder the connections and feel the entire thing into the bottle. Adjust the knot so that the lights go from the base to the bottle neck and there is little or no extra wire inbottle.

Do a final check to make sure you have no loose connection anywhere.

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Image Notes1. knot in wire2. Working circuit

step 5:Glass Time*Wear safety goggles when necessary*Dont cut yourself

Now that all the lights are working and you have everything soldered together you are almost done.In order to disperse the light a little and avoid directly seeing the LEDs I chose to add glass shards. Filling the bottle with these does a great job at hiding all of the wireand making the bottle look great with the LEDs on.

I found the best approach to be as follows;

1. Peel paper off bottles2. Place bottles in an old pillow case3. Swing pillow case firmly into pavement or cement4. Repeat 3 times

After this your pillow case will be slightly torn and more importantly filled with small shards of glass. Pour the glass into a box and carefully fill your bottle with the shard

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As the bottle fills be sure to have the wires hidden. Keeping the wire directly in the middle of the bottle yields the best looking results when done. If you run out of sharthat will fit into the bottle simply repeat steps 2 through 4 and continue filling the bottle. Once the bottle is full shake and tap the bottle, this will cause the glass pieces settle and usually makes room for more shards to be added. Repeat this shaking and adding process until shaking and taping has no effect on the glasses level.

Your almost done now.

Image Notes1. Pillow case - not chicken wrap dinner.

2. Bottle half filled with glass.3. Glass - Ouch, Sharp!

Image Notes1. Box of glass

Image Notes1. Bottle ready to be caped.

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step 6:Almost DoneNow all that is left to do is some simple stuff.

Put the bottle cap back on.

Add a bit of hot glue around the hole.

Take a damp cloth and wipe off the bottle.

You're done.

Image Notes1. Add a little hot glue here.

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Image Notes1. Put the cap back on.

step 7:Your Done.You now have a very cool looking light to show off to your friends,

Enjoy-Michael I

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Comments

50 comments Add Comment view all 98 commen

Kamoku_Katai says: Oct 3, 2009. 8:24 PM REPHERSHEY KISSES! ALWAYS NECESSARY!

joetcochran says: Nov 9, 2008. 9:53 AM REPIs there an easy way of determinin what resistor you need? I have a 9V/400ma power supply and I'd like to do somethin similar to this. Thanks

pmilg says: Dec 22, 2008. 7:25 PM REPIn order to determine the proper resistor value you need to look at the circuit as a whole. You need to make sure that the LEDs are not overloaded withtoo much current ( AKA "i"). You can find the LEDs current rating on the packaging. Once you know this you can use the formula v=ir to find thenecessary resistance to use in the circuit. Plug in the voltage of your power supply and the rating of your LEDs and solve for the value of resistance.So, for example if we had a 9 volt power supply and LEDs which can run at 700mA we would solve for resistance as follows.

v = ir

plug in our values

9volts = (700*10-3) amps * (r) ohms

Solve for r

r = 9/(700*10-3)

r = 1.29*103 ohms = 1290 ohms = 1.29 kOhms

any value within 5% of your calculated value will work. Most resistors can vary from 5 to 10 %.

Note that in this example we are assuming that the wire used and the LEDs used have no resistance. This will very closely emulate the conditions ofthe small circuit you will be building.

If you have more questions let me know.-Michael I
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pbawesome says: Feb 21, 2009. 6:27 PM REPno no no how to calulate required resistance,

Input voltage - Desired Output Voltage / Current being pulled in amps = Ohms

so 7.5vin 3.2 desire 20mA power consumption

you would use 215 ohm resistor

pmilg says: Feb 22, 2009. 7:24 PM REPVery good point. I can not believe I made such a stupid mistake. Thank you for posting a correction.

knutsak8 says: Oct 17, 2008. 10:14 AM REPhey... would any of you guys sell one of those?

pmilg says: Dec 22, 2008. 7:28 PM REPSorry, no plans to sell any at this point. The project takes too long to make it worth my time to make and sell them. They would have to be quite pricey.Michael I

bansheekilla64 says: Nov 24, 2008. 1:59 PM REPwhere'dyou get the random 9v/300ma power cord O.o ripped it out of an appliance or somethin?

pmilg says: Dec 22, 2008. 7:09 PM REPExactly. -Michael I

bansheekilla64 says: Nov 24, 2008. 4:32 PM REPwtf???!!!ifound some resistors laying around in my drawer today, and as i was reading the colors, they came out as 470Kohm, 220Kohm, and 10Kohm resistors.thats over 100,000 ohm resistors!! help!i have a 125v power cord and 7 very very small LED lights. about, 10v or 8v. help =(

pmilg says: Dec 22, 2008. 7:08 PM REPIf all you can find are odd resistors then you can combine then in series or parallel to make a new equivalent resistance.

Use the rules;

when in series Requiv. = R1 + R2 +R3...

when in parallel 1/Requiv. - (1/R1) + (1/R2) + (1/R3).....

Hope this helps,

-Michael I

Kaldea says: Dec 22, 2008. 3:11 PM REPGoing to make a Nuka-Cola Quantum with this idea Since it really reminds me of it's nice blue radiation glow C:

pmilg says: Dec 22, 2008. 7:01 PM REPNice, post some pictures when you are done. -Michael I

Notbob says: Mar 11, 2008. 1:38 PM REPI second that motion. Way too cool!... ...if only I could solder...

Yerboogieman says: Sep 16, 2008. 4:20 PM REPReally Easy. helping hands helps alot, dont "Pre Solder" the iron and use just a little bit, enough to cover the spot. and dont hold the iron on to long or iwill burn out the component.
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Notbob says: Sep 17, 2008. 8:27 AM REPThanks, i already know how to solder, i just dont have the equipment to do so, luckily for me they're cheaper here in the UK than in Canada where used to live.

michaeldnash says: Mar 12, 2008. 6:38 PM REPi made mine without soldering -- lots of electrical tape and twisting :)

pmilg says: Mar 12, 2008. 7:20 PM REPlol, I remember those days, before I could solder. Good luck and I hope your project comes out great.

michaeldnash says: Mar 13, 2008. 12:24 PM REPyup for my next projects i'll take the time to actually solder properly. I just ordered 100 transistors, 100 photocells (3-~30k), 100 ultrabright blueLED's, 100 100k ohm resistors, and 100 470 ohm resistors and i'm in the process of finding a roughly 1ftx1ft square (maybe larger) and am gointo cover this board with the array of paired photocell/LED's so that when a shadow passes over the light takes the form of the shadow -- aprecursur to a one day even LARGER project of a coffee table. Yes, similar to the evil mad scientist thing but i don't like theirs too much -- toowavy, kind of distorts thin s. This project will be my sprin break :) and yes, i will solder this one.

crapflinger says: Jan 9, 2007. 7:31 PM REPin step 5...is that a picture of the bottle half full? or half empty? great addition to an existing instructable

pmilg says: Jan 9, 2007. 9:22 PM REP

Well that all depends whether you took your Prozac today.

incorrigible packrat says: Jan 22, 2008. 7:22 PM REPIf you took the Prozac, you'd likely use the glass shards to slash your wrists. I'm not trying to be a spoilsport or anything. I like jokes about about allsorts of things, many of which would be considered off colour, by most of society. Antidepressants are not joke-worthy. Far too many lives have beeruined by the money-grubbing foists at the pharmaceutical companies, that prey on people's insecurities. By the way, nice Instructable. I'm thinkingabout using blue glass marbles, extracted from spray paint cans, in a clear bottle. Extra by the way, what's Bawls taste like? I'm thinking... kindasalty...

Yerboogieman says: Jan 27, 2008. 10:58 PM REPgreat one, lmfao

incorrigible packrat says: Jan 30, 2008. 7:39 PM REPI gots another. (kinda obscure though) You know the urban legend about how Evian water is naive spelled backwards, as an in-joke aboutpeople spending so much for a bottle of water? (Not so commonly heard anymore, 'cause it seems like everybody will shell out loads o' casfor pissy bottled water) Anyhow, I was thinking that maybe the Bawls bottle is blue, so as to make a little joke about the condition of the actuballs of the typical Bawls consumer, namely guys who sit around playing computer games all night, while drinking over-caffeinated soda.

Yerboogieman says: Jan 31, 2008. 3:35 PM REPlmfao!!!

incorrigible packrat says: Feb 1, 2008. 1:56 PM REPThanks. I think I'm finished now.

Yerboogieman says: Feb 2, 2008. 12:39 AM REPlol, ok

incorrigible packrat says: Feb 5, 2008. 3:25 PM REPOh wait. There is another... 'tain't mine though, so I can't take credit. It's based on something Bender said in a Futuramaepisode. Here it is: I understand there's a lot of caffeine in Bawls. So does drinking a lot of Bawls make you testy?

Yerboogieman says: Feb 5, 2008. 7:37 PM REPlol, i havent heard that one, i usually watch futurama
http://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/incorrigible+packrat/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/incorrigible+packrat/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/incorrigible+packrat/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/incorrigible+packrat/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/incorrigible+packrat/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/incorrigible+packrat/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/incorrigible+packrat/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/incorrigible+packrat/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/pmilg/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/pmilg/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/crapflinger/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/crapflinger/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/michaeldnash/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/michaeldnash/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/pmilg/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/pmilg/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/michaeldnash/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/michaeldnash/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Notbob/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Notbob/?utm_source=pdf&utm_campaign=comments

8/8/2019 Brawl Lght

13/14


incorrigible packrat says: Feb 5, 2008. 7:42 PM REPIt was the one where Earth went to war with the bouncing balls. Bender, sick of negotiations and wanting action, says"These balls are makin' me testy."

Yerboogieman says: Sep 16, 2008. 4:39 PM REPi got another one when beavis and butt head had to volunteer at a church and they said they had a band namedmetalica and the guy said that sounded good and nice, so beavis and butt-head didnt show up and a bunch ofbikers started a fight and riot.

reds322 says: Sep 10, 2008. 7:36 AM REP

Has any one done this with UV l.e.d's? i just bought 20 white and 20 uv and i was wondering how it would look before making it.

Yerboogieman says: Sep 16, 2008. 4:18 PM REPlooks dim.

sfizzle says: Apr 14, 2008. 12:36 PM REPdude awesome bottle. i just found this site and this is the first thing im making, i love all of this. my girlfriend is going to love this bottle when im done

moyboy says: Apr 1, 2008. 5:14 PM REPwhat power source did you end up plugging the thing into?

pmilg says: Apr 6, 2008. 8:43 PM REPI used the power adapter shown in step one, if you hover your mouse over the picture the voltage and current details are listed.

michaeldnash says: Mar 12, 2008. 6:37 PM REPI just made myself a little light using your wiring schematic (thought i'd test it out with wires and a "project box" before moving to lamp making) -- and it worgreat! i added an I/O switch so i can have the power shut off when i don't want it to be on, and i am the proud parent of a "rad detector" now. Seventy sevethumbs up to you, sir. Next project i'll make a real lamp or somethin with use :)

pyroman50 says: Mar 8, 2008. 9:42 AM REPThis is soooo cool.

Spike002 says: Jan 23, 2008. 11:06 PM REPdude, foxquarry, his power supply is DC, it cant shock you. If it was AC from a wall outlet, it could, and that would be dangerous, but he wouldnt be able touse AC anyway cause you cant run LEDs on AC power, the electricity can only flow one way.

incorrigible packrat says: Jan 28, 2008. 6:33 AM REPActually, leds can and do run relatively happily on AC (Heaven forfend, I've become one of those "Well, actually..." people I so used to loathe), they jusflash on and off 60 times a second. Led Christmas lights do this; you can detect the flicker, If you move your head quickly, or look through moving fanblades, or something. I suppose some led strings might use a rectifier, or even employ some of the leds as a rectifier, but I've never seen one. I don'teven think they have half of the leds in the string backwards, so as to use the negative half of each AC cycle (that might just block everything and notwork, I dunno, I have difficulty thinking in "circuit")

Spike002 says: Jan 30, 2008. 5:59 PM REPohhh yaahhh huhhhh. haha good point. i was right in that electricity can only flow one way, but it can run on ac, it just wont get the electricity goingthe other way huh. lol, im really no expert, iv just used em with DC and know you have to put em the right way.

Yerboogieman says: Jan 27, 2008. 10:57 PM REPyou would have to get one of those rectifier diodes and a resistor

nanor11395 says: Dec 4, 2007. 5:29 PM REPso what is bawls im 12 so i dont know
http://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/nanor11395/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/nanor11395/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Spike002/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Spike002/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/incorrigible+packrat/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/incorrigible+packrat/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Spike002/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Spike002/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/pyroman50/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/pyroman50/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/michaeldnash/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/michaeldnash/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/pmilg/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/pmilg/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/moyboy/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/moyboy/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/sfizzle/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/sfizzle/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/reds322/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/reds322/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/incorrigible+packrat/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/incorrigible+packrat/?utm_source=pdf&utm_campaign=comments

8/8/2019 Brawl Lght

14/14

Yerboogieman says: Jan 27, 2008. 11:01 PM REPits good, its like drinking caffinated sprite.

pmilg says: Dec 4, 2007. 9:15 PM REPBawls is basically a supper caffeinated. soda.

nanor11395 says: Dec 5, 2007. 5:55 AM REPoh cool

Mighty Mackinac says: May 23, 2009. 1:10 PM REPit is the best energy drink ever! i don't drink anything else...

Gamester3333 says: Jan 22, 2008. 6:17 PM REPHey, what do you guys think about scaling this up? I have... 18 cases of empty bottles that I saved for just such an occasion. I thought about doing the samthing as you did here, but in chandelier form. If I made it, would you all like an instructable?

pmilg says: Jan 22, 2008. 7:12 PM REPSounds cool, I would love to see pictures and an instructable. -Michael I

Patrik says: Jan 22, 2008. 6:26 PM REPNicely done.

A few nitpicks on the electronics side though...

- Don't wire LEDs in parallel without a separate current limiting resistor for each. Some LEDs will conduct significantly more current at the same voltage, sowhichever LED gets more current may burn out. That's precisely why you need a current limiting resistor. Instead, you could make two strands of 4 LEDs inseries, with a resistor for each strand, and then put thosein parallel.

- 100 Ohms seems like a lot for this circuit. LEDs typically consume about 20mA - 40mA if you put two in parallel. 40mA through a 100Ohm resistor meansyou would lose 4V across your resistor!

- The blue LEDs are probably at least 2.8-3V, so you wouldn't get nearly enough voltage across them if you put 4 in series and feed it from a 9V powersupply. The ledcalc.com calculator recommends 4 strands of 2 LEDs in series with a 180 Ohm resistor. Chances are the LEDs will burn a lot brighter, yetyour circuit will use far less energy.

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http://id/Bawls-Blue-Crystal-LED-Light/?comments=all&sort=OLDEST#commentshttp://id/Bawls-Blue-Crystal-LED-Light/?comments=all&sort=OLDEST#commentshttp://id/Bawls-Blue-Crystal-LED-Light/?comments=all&sort=OLDEST#commentshttp://ledcalc.com/http://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Patrik/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Patrik/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/pmilg/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/pmilg/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Gamester3333/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Gamester3333/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Mighty+Mackinac/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Mighty+Mackinac/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/nanor11395/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/nanor11395/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/pmilg/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/pmilg/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Bawls-Blue-Crystal-LED-Light/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Yerboogieman/?utm_source=pdf&utm_campaign=comments

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