Step 1You will need:
Ruler
Compass
Center Punch
Drill (drill press is best)
Soldering iron
Materials:
Jar lid (I used a lid from a pickle jar)
Lenses (from scrapped cameras)
3/4" Suction cup
Rubber O ring that fits around the "mushroom" part of suction cup
White LED
JST Connector (scrapped computer)
Small piece of extra wire
Switch (AM/FM switch from old walkman)
3v battery holder and battery (scrapped computer)
Super glue
Hot glue or silicone
All of these materials (except the glue) were easily scavenged. I have a case on my iphone. Many cases leave a hole to reveal the Apple symbol on the back. This makes a perfect place to consistently attatch the suction cup in the same place, but I had a hard time finding the perfect sized suction cup to fit that hole so I ended up buying a pack.
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