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Grove - Touch Sensor

by Seeed
SKU 2390
1
£4.00 inc VAT
£3.33 ex VAT
34 in stock.

More available in 5-7 days.
Available for backorder (more info)

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.

  • 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

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IC
10/30/2018
IAN C.
United Kingdom

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