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What is a Throwie?

Throwies are particulars or several LEDS directly connected with a small button cell battery to operated.
The battery becomes direct and without resistance between the Anode(+ = long leg) and the cathode (- = short leg) fastened with an tape. The positive pole of the battery must lie on the anode (+). Because the LED begins immediately to shine it is sometimes advisable to insert a plastic stripe (z.B. cut a plastic bottle ) between battery and anode and one between anode and tape, so that no current can flow. Now we can easily, if the Throwie becomes in use, pull out the plastic stripe between battery and anode and our Throwie begins to shines. In order to sticking to metal, we recommend to use a neodymium magnet with is fastened again with a further tape. In addition, every other magnet is usable.

Plasticine, double-sided tapes or also the male side of a Velcro® offers interesting areas of application to no metal surfaces.
You can build yourself also a Throwie with a "night circuit".Evil Mad Scientist Laboratories.com shows you how it works out.
Important: The battery must possess the necessary voltage to the used LED it otherwise does not shine. Also several button cells with minus at pluses can be connected together to achieve a higher voltage. With to high voltage, the LED "burns" or the life span through shortens drastically.

LED color
Red
Yellow
Green
Blue
White

20mA
1,9 V
2,1 V
2,2 V
3,4 V
3,5 V

LED Throwies
"Make Throwies not Bombs"
is perhaps a good rewriting for which this new trend stands
Throwies, say it with light!
Bring color into your life! This kind of modern graffiti looks cool and does not worries the neighbor.
(We are not sure about this :o))
These lights for throwing stick to each magnetic surface and leave a multicolored shining picture at the wall or where ever you would like.

Graffiti Research Lab: So it starts... long time ago