Grove - Touch Sensor

Grove - Touch Sensor
Seeedstudio
Item number56505
BrandSeeedstudio
Model101020037
Stock
Only ... pieces left in stock
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Expected delivery date: Wednesday 19 Augustus.
Shipped from  € 25 - United States
Sold per piece
€ 5,00
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Description

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. So 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
  • Inconspicuous button
  • Waterproofed electric product
  • Button key replacement

Properties

Spanning2 V - 5,5 V

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