Intel® Edison Hands-on Day 8: Guardian of Eden
Intel® Edison Hands-on Day 8: Guardian of Eden
Intel® Edison Hands-on Day 8: Guardian of Eden
Intel® Edison Hands-on Day 8: Guardian of Eden
Intel® Edison Hands-on Day 8: Guardian of Eden

Would you like to provide a comfortable environment for your plants and flowers in your garden? Are they thirsty for the time being? Through a temperature sensor, a soil humidity sensor, and a LCD display, you can easily get the state of your soil.

Component Required

  • 1- LM35 Analog Linear Temperature Sensor
  • 1- Soil Moisture Sensor
  • 1- LCD Keypad Shield for Arduino
  • 1- Intel® Edison with Arduino Breakout Kit

    Step 1: Connection

    Intel® Edison Hands-on Day 8: Guardian of Eden
  • LCD Keypad Shield for Arduino - Plug onto the Intel® Edison with Arduino Breakout Kit
  • LM35 Analog Linear Temperature Sensor - Analog Pin 1 (note the first left connection in the bottom right corner. Analog Pin 0 is occupied by keyboard)
  • Soil Moisture Sensor - Analog Pin 2

    Step 2: Coding

    Intel® Edison Hands-on Day 8: Guardian of Eden

    After uploading the sketch, the LCD will show the temperature and humidity, as well as the soil humidity condition.

    // Guardian of Eden

    #include

    LiquidCrystal lcd(8, 9, 4, 5, 6, 7); // Initiate the LCD display with the numbers of the interface pins

    int TemperaturePin=A1; //The pin number of the temperature sensor

    int HumidityPin=A2; //The pin number of the humidity sensor

    void setup() {

    lcd.begin(16, 2); // set up the LCD's number of columns and rows

    }

    void loop() {

    int temperatureValue; //store the analog value from temperature sensor

    int humidityValue; //store the analog value from humidity sensor

    int temperature; //store the real temperature.

    temperatureValue=analogRead(TemperaturePin); //read the temperature sensor

    humidityValue=analogRead(HumidityPin); //read the humidity sensor

    temperature=(500 * temperatureValue) /1024; //Convert the analog value to real temperature.

    //LCD shows the temperature

    lcd.setCursor(0, 0); // set the cursor to column 0, line 0

    lcd.print("T:");

    lcd.print(temperature);

    lcd.print("C");

    //LCD shows the humidity of the soil

    lcd.setCursor(0, 6); // set the cursor to column 6, line 0

    lcd.print("H:");

    lcd.print(humidityValue);

    //Show the situation of the soil

    lcd.setCursor(1, 0); // set the cursor to column 0, line 1

    if (humidityValue

    lcd.print("Soil: Dry");

    }

    else if (humidityValue>=300 && humidityValue

    lcd.print("Soil: Humid");

    }

    else{

    lcd.print("Soil: Water")

    }

    delay(500);

    }

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