Cogtoys

Instructables

• 

  Switches in Parallel

  9 4.6K
• 

  Pull Tab Switch

  4 3.5K
• 

  Switches in Series

  10 1.3K
• 

  Knob Switch

  17 2.7K
• 

  You AND Me Valentine

  9 1.9K
• 

  The Sector

  29 7.7K
• 

  Nomogram

  1 6.6K
• 

  Binary Post-Its

  7 3.1K
• 

  Napier's Rods

  382 53K
• 

  Logic Gates: the AND

  19 35K