September 23, 2011
How to make an LED throwie: Per throwie, you will need:1x LED1x CR2032 Battery1x Neodymium Disc Magnet, at least 8mm diameter x 2mm thickness (up to 10mmx3mm is useful)2x strips of packing tape, 20mm by 40 mm.1x piece of thin card 25mm by 15mm1x piece of thin card 40mm by 10mm  Take the LED and slide the battery between the metal wires. The long wire on L.E.D must touch the POSITIVE (+) side on the battery otherwise it will not light up. Slide the longer thinner piece of card in-between the longer LED wire and the battery. This will act as your on/off switch, saving the battery for when you use your throwie.  Take the shorter, fatter piece of card and attach it to the packing tape. Tape the fat piece of card to the battery on top of the wire and the on/off switch and wrap the tape round, securing the wire on the other side of the battery. The fat piece of card is to stop tape sticking to the thin piece of card so it can be removed later. It should look like this. Pulling the on/off switch. Attach the magnet and secure with tape. (note: Although the image shows the opposite, its a good idea to attach the magnet directly over the led wire on the side of the battery with the card. This ensures that when the switch is pulled out the magnet is attracted to the battery and sandwiches the LED wire, removing any gap left by the removal of the card switch. Finished Repeat as many times as you can. 

How to make an LED throwie:

Per throwie, you will need:
1x LED
1x CR2032 Battery
1x Neodymium Disc Magnet, at least 8mm diameter x 2mm thickness (up to 10mmx3mm is useful)
2x strips of packing tape, 20mm by 40 mm.
1x piece of thin card 25mm by 15mm
1x piece of thin card 40mm by 10mm 


Take the LED and slide the battery between the metal wires. The long wire on L.E.D must touch the POSITIVE (+) side on the battery otherwise it will not light up.

Slide the longer thinner piece of card in-between the longer LED wire and the battery. This will act as your on/off switch, saving the battery for when you use your throwie. 


Take the shorter, fatter piece of card and attach it to the packing tape.

Tape the fat piece of card to the battery on top of the wire and the on/off switch and wrap the tape round, securing the wire on the other side of the battery. The fat piece of card is to stop tape sticking to the thin piece of card so it can be removed later.


It should look like this.

Pulling the on/off switch.


Attach the magnet and secure with tape.

(note: Although the image shows the opposite, its a good idea to attach the magnet directly over the led wire on the side of the battery with the card. This ensures that when the switch is pulled out the magnet is attracted to the battery and sandwiches the LED wire, removing any gap left by the removal of the card switch.


Finished
Repeat as many times as you can.

 

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