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Technical Details
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 Ideas
Inconspicuous button
Water proofed electric product
Button key replacement
For all Grove users (especially beginners), we provide you guidance PDF documents. Please
download and read through Preface - Getting Started and Introduction to Grove before your
using of the product.
Documents
Please visit our wiki page for more info about this product. It will be appreciated if you can help
us improve the documents, add more demo code or tutorials. For technical support, please
post your questions to our forum.
Grove - Touch Sensor
SKU 101020037
IN STOCK 35 Available
1
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Dimensions 60mm x 60mm x 11mm
Weight G.W 6g
Battery Exclude
Part List
Grove - Touch Sensor 1
Grove Cable 1
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