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Monday, November 14, 2011

Make a Laser Ball


Laser Ball Specifications:
  • Total optical power: ~70mW
  • Current draw (max): ~300mA
  • Operating voltage: 3.3V
  • Battery life: ~2.5hrs (but its rechargeable!)
Steps and Timeline:
  • 1.00 hr - Preparing and gathering materials/tools
  • 0.25 hr - Thinking through the design
  • 0.50 hr - Preparing the Teensy
  • 0.75 hr - Cutting and installing diffraction gratings
  • 0.50 hr - Drilling the tennis ball
  • 0.50 hr - Installing lasers
  • 1.00 hr - Soldering lasers, Teensy, and JST connector
  • 0.50 hr - Squeezing components into tennis ball
Total time:
  • 5.00 hrs
Materials: Total cost:
  • $78
Tools:
  • Soldering iron
  • Dremel
  • Wire strippers/cutters
  • Hobby knife
  • Masking tape
  • Marker
  • Scissors
  • Tweezers/Forceps
  • Helping-hands/alligator clips

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