Touch Sensor

€7,10 Incl. tax
Article number: 101020037
Availability: In stock

Overview:

This is a simple touch sensor module. You can use it to replace a traditional push button. Using the TTP223-B touch detector IC, it measures the capacitance of a metallic pad. It can detect the change in capacitance when a finger is near it. This is the same technology used in the iPhone touch screen. This means that you can place the metallic pad under a non-metallic surface such as a plastic or glass sheet and it will still work as a button. This may be useful for projects that need to be waterproof. You can also make a secret button by placing it inconspicuously behind a smooth surface. For instance you could place them under a nonmetallic card table and by casually pressing the right location on a tabletop surface you could mysteriously control your DIY project. 

 

Features: 

  • Grove compatible interface 
  • 2.0-5.5V DC supply 
  • response time max about 60mS at fast mode, 220mS at low power mode @VDD=3V 
  • Low power consumption 
  • 2.0cm x 2.0cm twig module 
  • Power indicator led 

 

Applications Ideas: 

  • Inconspicuous button 
  • Water proofed electric product 
  • Button key replacement

 

Specifications:

  • Operating Voltage: 2.0 - 5.5V
  • Operating Current(Vcc=3V):1.5 - 3.0μA
  • Operating Current(VDD=3V):3.5 - 7.0μA
  • Output Response Time: 60 - 220mS

 

 
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