Updating hw tutorial with electrical circuit diagram and links to the optocoupler and diode
Fixing some minor formatting issues
Fleshed out Base Construction
Quick tute corrections
Updated broken bead img link
Added wiring images
Added wiring images
breadBoard img
Deleted wiring images - remembered that they were inaccurate, wrong MIDI pins
Changed numbering to bullets
Added voltage regulator to components list, changed title of electronic components section of parts list
added arduino sketch
Update Readme.md
Update Readme.md
Adding the servo circuit depiction
Removing old firmware sketch
Fixing a blip in the servo circuit image
added text description of operation
Formatting for servo section, changed 12v power supply to 9v battery
Merge pull request #47 from GoogleChrome/hardware-tutorials-dev

Hardware tutorials dev