Useful tips

How do you make Throwies?

How do you make Throwies?

To make an LED throwie, you will need tape, an LED (any size or color), a 3V lithium battery (CR2032), and a small disc magnet. LED GLOWIE: Slide the longer lead (leg) of the LED over the POSITIVE (+) side of the battery. When both leads are touching either side of the battery, the LED should immediately light up.

Can you light an LED with a magnet?

No, magnets do not affect LED lights. You really should not be worried about your LED lights being too close to magnets because the magnetic force of the magnet does not affect the light output.

How long do LED Throwies last?

In practice red, orange, and yellow LED throwies can last as little as a day, and this all makes it pretty clear why. The official line on throwie lifetime is that throwies last “1-2 weeks” depending on LED color and weather conditions.

What is the purpose of an LED throwie?

An LED throwie is a small LED attached to a coin battery and a rare earth magnet (usually with conductive epoxy or electrical tape ), used for the purpose of creating non-destructive graffiti and light displays. Artists throw individual LEDs onto a metallic object, like public sculpture or road infrastructure,…

How much does it cost to make a LED throwie?

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. Notes: Cost reductions for larger quantities.

What kind of battery is in a throwie?

A Throwie consists of a lithium battery, a 10mm diffused LED and a rare-earth magnet taped together. Throw it up high and in quantity to impress your friends and city officials.

What kind of magnets are used for LED lights?

10mm LED lights (You can also use 5mm- they are smaller, but still fun and actually last longer! This set includes 5mm.) Strong magnets (We used neodymium magnets. You can also use strong ceramic magnets. See safety note above .) 1. Start by pinching the leads of your LED over a coin cell battery.