Grove - Touch & Relay

Grove - Touch & Relay

Grove - Touch Sensor enables you to replace press with touch. It can detect the change in capacitance when a finger is near by. That means no matter your finger directly touches the pad or just stays close to the pad, Grove - Touch Sensor would outputs HIGH also.

The Grove-Relay module is a digital normally-open switch. Through it, you can control circuit of high voltage with low voltage, say 5V on the controller.

Hardware Required

- Intel® Edison for Arduino

- Grove Base Shield v2

- Grove Touch Sensor

- Grove Relay

Circuit

Schematic

Touch

Relay

Code 

This demo is going to show you how to turn on/off an Relay.

const int touchPin = 3;     // the button is attached to digital pin 3
const int relayPin = 7;     // the relay is attached to digital pin 7
int buttonState = 0;

void setup() 
{
  Serial.begin(115200);  
  pinMode(relayPin, OUTPUT);      
  pinMode(touchPin, INPUT);     
}

void loop()
{
  // read the state of the button:
  buttonState = digitalRead(touchPin);
  if (buttonState == 1)
  {
    digitalWrite(relayPin, HIGH);    
  }
  else
  {
    digitalWrite(relayPin, LOW);
  }
  delay(10);
}

See  Also

Reference sites