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 We're taking a break moving shop and hope to be back soon. We hope to start shipping orders in Nov 2018. 

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 
  • Water proofed electric product 
  • Button key replacement

 

 
const int TouchPin=9;
const int ledPin=12;
void setup() {
pinMode(TouchPin, INPUT);
pinMode(ledPin,OUTPUT);
} 
 
void loop() {
int sensorValue = digitalRead(TouchPin);
if(sensorValue==1)
{
digitalWrite(ledPin,HIGH);
}
else
{
digitalWrite(ledPin,LOW);
}
}

 

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.

Touch Sensor (Grove)

  • Brand: Seeedstudio
  • Product Code: SEEED-101020037
  • Reward Points: 4
  • Availability: 2
  • £4.70

  • Ex Tax: £3.92
  • Price in reward points: 100

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