For my creative switch I wanted to make a necklace that lit up. Specifically I really wanted the clasp to serve as the switch. So the motion of closing the necklace would light up the LEDs. The LEDs also take place of gems/charms that are usually on a necklace.

Materials:

• Necklace
• 3 LEDs
• Wire (green and teal)
• Soldering iron/solder
• Brand new clasp
• Pliers
• Wire cutters
• Two 3V coin cell batteries
• Tweezers
• Coin cell battery pack
• Wire stripper

Step 1: LED Placement

Utilizing the wire cutters, I cut off links of the necklace where I wanted the LEDs to be. I then used pliers and tweezers to help loop the wire from the LED into the link and wrap it around to secure it. I then used the soldering iron to close up the loop for extra security.

Step 2: Wiring

When collecting my materials I found that the coating on the necklace was stopping it from being conductive. I failed at trying to take off the coating so I went to plan b. Too keep a presentable (for wearing) color scheme I chose teal and green wires. After cutting two pieces of teal wires to the length I wanted I stripped the ends to start connecting the LEDs. I soldered the wires to the same spot I soldered the ends of the LEDs.

I then cut the green wire to scale and scraped off the coating from the ends. These pieces are placed to connect the LEDs to either end the clasp.

Step 3: Connecting the Battery Pack

Once again taking the wire strippers, I stripped the ends of the wires on  the battery pack. I then soldered the ends to only one side of the clasp, spacing them out a bit.

Step 4: Connecting the New Conductive Clasp

Since the original necklace was not conductive I had to remove the original clasp on it to one that was. Using the wire cutters, I cut them off. Then taking the green wire to connect them to the chain I soldered them down.

Step 5: Insert Batteries and Test It Out!

Finally to see if it worked, I inserted the batteries in to the pack and turned it on. And it worked!