FabWiki Digital input

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Other keywords: keyboard; switch; digitization; scanners; monome

• Digital input (Physical Computing 90-95) and (Making Things Talk 42-46).
  

• Pull-down resistor (Physical Computing 90-91). Use 10K as standard unless circuit calls for something else. (WJT)
  

• Tutorial: De-bouncing Switches
  

• CD4021 shift register reading eight switches (Physical Computing 402)
  

• Circuit: Row-column arrangement of switches with pull-down resistors and diodes (Physical Computing 391)
  

• Foot controller made from QWERTY keyboard by Michael Una
  

• Function key box made from old keyboard
  

• Roll up keyboard
  

• Spark Fun ScreenKey RGB Graphic Buttons
  

• Twiddler 2
  

• Scan codes from Georgia Tech Contextual Computing
  

• DIY High Speed Book Scanner from Trash and Cheap Cameras from Instructables
  

• http://sealedabstract.com/?p=410 The joy of electronic books] - how to automate the process of book scanning if you don't mind destroying the book in the process
  

• Joystick from scavenged parts
  

• Junk box monome