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Instructables.com

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  portable 9V to 5V battery

  Posted: March 28th, 2010, 5:21am MDT

  checklist, parts and tools. parts: - 9V battery (duh) - 9V battery clip (duh again) - 5V regulator ( L7805 ) sparkfun $0.85 - a piece of proto board - 2x 1uF ceramic disk capacitor (this isnt really that exact, use about this value if you do not have it) - an aluminium heat dispe...
  By: godofal
  
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