Make a flashlight without batteries and show solidarity towards nature. On a recharge of three minutes, the flashlight will run for more than 24 hours.
Parts List
(2) 220 farad capacitors, www.digikey.com, #589-1013-nd
Insulated wire, black and red
Solder
LED, high brightness, www.jameco.com, #217525
12″ x 12″ acrylic plastic sheet, 1/8″ thick
Permanent marker
(2) C clamps
Epoxy
1/4″ jack, Radio Shack, #374-280
Metallic tape
SPST rocker switch, Radio Shack, #275-693
Glue
Electrical Tape
Tools List
Wire cutters
Soldering Iron
Scoring knife (for plastic)
Single-hole paper punch
3-volt DC power supply–700 milliamp
Drill
1/4″, 1/16″, and 3/4″ drill bits
Metal straightedge
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