IOT_SmartPlug

Using Arduino Uno WIFI with the following Components:

• DHT11 - Temperature & Humidity sensor
• LDR Light Sensor
• RIP Motion Sensor
• 5V Relay

Connections Map

The connections pins as shown above in the image:

• DHT11 Signal - Digital 2 (INPUT): Blue Wire.
• RIP Signal - Digital 3 (INPUT): Yellow Wire.
• LDR Signal - Analog 4 (INPUT): Gray Wire.
• 5V Relay - Digital 5 (OUTPUT): Orange Wire.

They are all connected to 5V power - Red Wire, and ground - Black Wire.

(The LDR is connected to a 100K resistor for power redacting)

Code Review

In the following block of code, we are doing the automation of the power plug by 3 conditions:

• Temperature - The temperature is in c°
• Light - The light sensetivity is between 1 to 1023.
• Motion - 0 for no movment, 1 for movment

 if (Temp > /*wanted temperature*/){               
    if(Light > /*wanted light sensetivity*/){   
      if(Motion == /*0 OR 1*/){  
        digitalWrite(relayPin, LOW);    //disable the power socket
      }
    }
  }
  else
    digitalWrite(relayPin, HIGH);

In the next block of code, we can

You Can see more pictures of the project in the OthersFiles folder.

IOT Course, College of Mangment Academic Studies, 2017-2018