AT42QT1010触摸电容传感器

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AT42QT1010是一个专用的单键电容式传感芯片。该芯片手柄监测触摸导电区域。只要检测到触摸（例如，从手指），则AT42QT1010保持输出线高。否则，该线保持较低。你只需要提供一个电源（1.8V - 5V）和地面的AT42QT1010工作。SparkFun突围板包含一个板载电极能够检测触摸。此外，PAD引脚可创建你想创建自己的外部电极。Features 

       

• Number of Keys: 
  
         
  
  •  One – configurable as either a single key or a proximity sensor 
    
         
  
•  Technology: 
  
         
  
  •  Patented spread-spectrum charge-transfer (direct mode) 
    
         
  
•  Key outline sizes: 
  
         
  
  •  6 mm × 6 mm or larger (panel thickness dependent); widely different sizes and shapes possible
    
         
  
• Electrode design: 
  
         
  
  • Solid or ring electrode shapes 
    
         
  
• PCB Layers required: 
  
         
  
  •  One 
    
         
  
• Electrode materials:
  
         
  
  •  Etched copper, silver, carbon, Indium Tin Oxide (ITO)