Things used in this project

Hardware components:
Photon new
Particle Photon
×2
Shadow Box
×1
SparkFun Servo Motor
×1
Mfr 25fbf52 221r sml
Resistor 221 ohm
×1
09590 01
LED (generic)
×1
11026 02
Jumper wires (generic)
×3
Software apps and online services:
Q8wtlimqnp04fzhtr9v5
IFTTT Maker service
Google Developers Google Calendar

Schematics

Breadboard Schematic for Particle 1
Seuuklaixj8op9y71aus
Breadboard Schematic for Particle 2
2vcpfk4rij0ycdscw3d0

Code

Particle 1 CodeC/C++
This particle receives the variable "Yes5765776" from IFTTT when there is an event coming up on Google Calendar. When the variable is received, it tells the servo to move its hand to the "yes" position. When there is no assignment coming up, it rests in the "no" position.
int servoPin = D0;
Servo myservo;
int servoPos = 0;
void setup() {
    myservo.attach( D0 );
Particle.subscribe("Yes576577", myHandler);
}

void loop()
{}
  
void myHandler(const char *event, const char *data)
{
    if(strcmp(data,"Yes")==0)
    {
        Particle.publish("led576577", "Blink")
myservo.write(45);
delay(5000);
myservo.write(0);
}
}
Particle 2 CodeC/C++
This code receives variable from particle 1 and turns on LED when an event is received.
int led = D0;


void setup() {
digitalWrite(led,LOW);
Particle.subscribe ("Yes", myHandler);
pinMode (led, OUTPUT);
digitalWrite(led,HIGH);
delay(5000);
 digitalWrite(led,LOW);
}

void loop() {


}

void myHandler(const char *event, const char *data)
{
    if(strcmp(data,"Blink")==0) {
         digitalWrite(led,HIGH);

  
}
   else{
   }   
  }

Credits

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