Instructables

Step 1: Materials List

LED throwies consist of only a few inexpensive parts and can be made for ~$1.00 per Throwie. You can reference the parts list below or download the attached spreadsheet for more info on parts, part's numbers, vendors and application notes.

Part: 10mm Diffused LED
Vendor: HB Electronic Components
Average cost: $0.20 avg per LED
Notes: Cost reductions for larger quantities. Comes in red, blue, amber, white in both diffused and clear. Diffused works better than water clear for the Throwie application. HB has even created a Throwies packs page with deals on 10mm LEDs and lithium batteries!

Part: CR2032 3V Lithium Batteries
Vendor: CheapBatteries.com
Cost: $0.25 per battery
Notes: Cost reductions for larger quantities. With the 2032 Lithium batter, depending on the weather and the LED color, your Throwie should last around 1 -2 weeks.

Part: 1-inch wide Strapping Tape
Vendor: Your local hardware store
Cost: $2.00 for one roll
Notes: One roll will make many throwies

Part: 1/2" Dia x 1/8" Thick NdFeB Disc Magnet, Ni-Cu-Ni plated
Vendor:Amazing Magnets
Cost: $13.00 per 25 magnets
Notes: Cost reductions for larger quantities

Part: Conductive Epoxy
Vendor: Newark In One
Cost: $32.00
Notes: The epoxy is optional.
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clapfilk6 months ago

super

good

spongeraffle6 months ago

Excellent...!!

workexaminer6 months ago

great

clickyummy7 months ago

nice

clickyummy7 months ago

nice

clickyummy7 months ago

nice

bearblue8 months ago

good

bearblue8 months ago

good

bearblue8 months ago

good

Cronos511018 months ago

When I started reading this, I thought, $1? That's okay, but how long do they last? It's a really cool idea to cheer up an area, but not so much if you only get a few hours. Then I saw you get 1-2 weeks. Simply brilliant!

fadecomic8 months ago

I'm going to take a handful of these in blue to a con dressed as Goku. KAMEHAMEHA!

generalsocial8 months ago

I just took a throwie, added a snowflake as a diffuser. It's now a "Snowie!". http://inventorartist.com/dream-walk/

gazumpglue8 months ago

These are really neat. It's a shame Christmas just passes. The kids would of had a lot of fun with these. There is always next year!

harinderiniz12 months ago
Gonna Try it

Same here

ChippMarshal9 months ago

These are really neat. It's a shame Christmas just passes. The kids would of had a lot of fun with these. There is always next year!

tbuchanan210 months ago
Where do you get the leds
flyingpuppy11 months ago
Where is the epoxy used?
Awesomeness! Very cool
BunnyRoger1 year ago
AAAAhhhhhh I love this...
I can see myself having a LOT of fun with this. Thank you for sharing.
MAApleton1 year ago
Are these the same type of led lights they used in the step up movie? I think it was the last movie. Thanks
mf7381 year ago
Hi,anyboday like buckyballs and buckybars,they also very vest diy toys,you can find them here: 
mf7381 year ago
Hi,anyboday like buckyballs and buckybars,they also very vest diy toys,you can find them here: www.buckyballsstore.com
Very detailed Information I think they use this in move. I think step up.
Try to experiment this thank you for the Materials List and tutorial.
physicx1 year ago
can ihave one of your experiment
I'v made one of these before It, but mine was more like a piece of c*** compared to yours! good job!
Kelly021 year ago
nice idea!
Thanks for adding to the legitimacy of this practice. I've been doing this for years. It's amazing the valuable things people throw out
frankygtd1 year ago
here you can find magnets on http://www.supramagnets.com
frankygtd1 year ago
I think these ideas are interesting and this site is very good.
JensonBut1 year ago
romance,
your doing it right.
Thank's also for PDF file for downloading!
Thanks for youre awesome guide!. Great job on the code aswel.
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miamibeach1 year ago
slullin says: Mar 28, 2012. 9:29 AMReply
if your leds are 3volts and 0.02 amp,

0.02 x 20leds = 0.4amp per hour

0.4x24 hour per day = 9.6 amp on 3v for one day,

if you have a battery pack, 4AA batteries, 6volts, and the best amp possible (actually 2.7) , you can hold around 13hours,

with a car battery(12v 60Amp) , with 5x4 leds, you can hold 25,71 days

(12*60)/(9.6*3)

hope that it's right, and that it helps you ;-)
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This is the answer I was looking for. It last enough to cover whole holiday season.

Hakan@South Beach
LED throwies looks very beautiful and colorful too. We can use it to decorate our house.
mappsolutely
The main feature of LED is it is not expensive. It can be used for special occasions too.
mappsolutely
miamibeach1 year ago
Amazing instruction! It will help me to make Christmas decoration. I wonder how ling those batteries last. Tanks
m3harri1 year ago
How long will 2032 run the LED?
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