Niko123
Published © GPL3+

Plant Watering System

This project is a plant watering system.

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Plant Watering System

Things used in this project

Hardware components

Arduino Mega 2560 & Genuino Mega 2560
Arduino Mega 2560 & Genuino Mega 2560
×1
Standard LCD - 16x2 White on Blue
Adafruit Standard LCD - 16x2 White on Blue
×1
SparkFun Soil Moisture Sensor (with Screw Terminals)
SparkFun Soil Moisture Sensor (with Screw Terminals)
×1
Temperature Sensor
Temperature Sensor
×1
Resistor 47.5k ohm
Resistor 47.5k ohm
×1
Resistor 10k ohm
Resistor 10k ohm
×1
Power MOSFET N-Channel
Power MOSFET N-Channel
×1

Hand tools and fabrication machines

Hot glue gun (generic)
Hot glue gun (generic)
Soldering iron (generic)
Soldering iron (generic)
Mastech MS8217 Autorange Digital Multimeter
Digilent Mastech MS8217 Autorange Digital Multimeter

Story

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Code

code

C/C++
// Include Libraries
#include "Arduino.h"
#include "DS18B20.h"
#include "LiquidCrystal_PCF8574.h"
#include "SoilMoisture.h"
#include "Pump.h"


// Pin Definitions
#define DS18B20_PIN_DQ  3
#define SOILMOISTURE5V_PIN_SIG  A10
#define WATERPUMP_PIN_COIL1 2



// Global variables and defines
// There are several different versions of the LCD I2C adapter, each might have a different address.
// Try the given addresses by Un/commenting the following rows until LCD works follow the serial monitor prints. 
// To find your LCD address go to: http://playground.arduino.cc/Main/I2cScanner and run example.
#define LCD_ADDRESS 0x3F
//#define LCD_ADDRESS 0x27

// Define LCD characteristics
#define LCD_ROWS 4
#define LCD_COLUMNS 20
#define SCROLL_DELAY 150
#define BACKLIGHT 255
// object initialization
DS18B20 ds18b20(DS18B20_PIN_DQ);
LiquidCrystal_PCF8574 lcd20x4;
SoilMoisture soilMoisture5v(SOILMOISTURE5V_PIN_SIG);
Pump waterpump(WATERPUMP_PIN_COIL1);



// define vars for testing menu
const int timeout = 10000;       //define timeout of 10 sec
char menuOption = 0;
long time0;

// Setup the essentials for your circuit to work. It runs first every time your circuit is powered with electricity.
void setup() 
{
    // Setup Serial which is useful for debugging
    // Use the Serial Monitor to view printed messages
    Serial.begin(9600);
    while (!Serial) ; // wait for serial port to connect. Needed for native USB
    Serial.println("start");
    
    // initialize the lcd
    lcd20x4.begin(LCD_COLUMNS, LCD_ROWS, LCD_ADDRESS, BACKLIGHT); 
    menuOption = menu();
    
}

// Main logic of your circuit. It defines the interaction between the components you selected. After setup, it runs over and over again, in an eternal loop.
void loop() 
{
    
    
    if(menuOption == '1') {
    // DS18B20 1-Wire Temperature Sensor - Test Code
    // Read DS18B20 temp sensor value in degrees celsius. for degrees fahrenheit use ds18b20.ReadTempF()
    float ds18b20TempC = ds18b20.readTempC();
    Serial.print(F("Temp: ")); Serial.print(ds18b20TempC); Serial.println(F(" [C]"));

    }
    else if(menuOption == '2') {
    // LCD Display 20x4 I2C - Test Code
    // The LCD Screen will display the text of your choice.
    lcd20x4.clear();                          // Clear LCD screen.
    lcd20x4.selectLine(2);                    // Set cursor at the begining of line 2
    lcd20x4.print("    Circuito.io  ");                   // Print print String to LCD on first line
    lcd20x4.selectLine(3);                    // Set cursor at the begining of line 3
    lcd20x4.print("      Rocks!  ");                   // Print print String to LCD on second line
    delay(1000);

    }
    else if(menuOption == '3') {
    // Soil Moisture Sensor - Test Code
    int soilMoisture5vVal = soilMoisture5v.read();
    Serial.print(F("Val: ")); Serial.println(soilMoisture5vVal);

    }
    else if(menuOption == '4') {
    // Submersible Pool Water Pump 240L/H - Test Code
    // The water pump will turn on and off for 2000ms (4 sec)
    waterpump.on(); // 1. turns on
    delay(2000);       // 2. waits 500 milliseconds (0.5 sec).
    waterpump.off();// 3. turns off
    delay(2000);       // 4. waits 500 milliseconds (0.5 sec).

    }
    
    
    
    if (millis() - time0 > timeout)
    {
        menuOption = menu();
    }
    
}



// Menu function for selecting the components to be tested
// Follow serial monitor for instrcutions
char menu()
{

    Serial.println(F("\nWhich component would you like to test?"));
    Serial.println(F("(1) DS18B20 1-Wire Temperature Sensor"));
    Serial.println(F("(2) LCD Display 20x4 I2C"));
    Serial.println(F("(3) Soil Moisture Sensor"));
    Serial.println(F("(4) Submersible Pool Water Pump 240L/H"));
    Serial.println(F("(menu) send anything else or press on board reset button\n"));
    while (!Serial.available());

    // Read data from serial monitor if received
    while (Serial.available()) 
    {
        char c = Serial.read();
        if (isAlphaNumeric(c)) 
        {
            if(c == '1') 
          Serial.println(F("Now Testing DS18B20 1-Wire Temperature Sensor"));
        else if(c == '2') 
          Serial.println(F("Now Testing LCD Display 20x4 I2C"));
        else if(c == '3') 
          Serial.println(F("Now Testing Soil Moisture Sensor"));
        else if(c == '4') 
          Serial.println(F("Now Testing Submersible Pool Water Pump 240L/H"));
            else
            {
                Serial.println(F("illegal input!"));
                return 0;
            }
            time0 = millis();
            return c;
            }
        }
    }

/*******************************************************

*    Circuito.io is an automatic generator of schematics and code for off
*    the shelf hardware combinations.

*    Copyright (C) 2016 Roboplan Technologies Ltd.

*    This program is free software: you can redistribute it and/or modify
*    it under the terms of the GNU General Public License as published by
*    the Free Software Foundation, either version 3 of the License, or
*    (at your option) any later version.

*    This program is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU General Public License for more details.

*    You should have received a copy of the GNU General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>.

*    In addition, and without limitation, to the disclaimers of warranties 
*    stated above and in the GNU General Public License version 3 (or any 
*    later version), Roboplan Technologies Ltd. ("Roboplan") offers this 
*    program subject to the following warranty disclaimers and by using 
*    this program you acknowledge and agree to the following:
*    THIS PROGRAM IS PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS, AND 
*    WITHOUT WARRANTIES OF ANY KIND EITHER EXPRESS OR IMPLIED.  ROBOPLAN 
*    HEREBY DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT 
*    NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, TITLE, FITNESS 
*    FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, AND THOSE ARISING BY 
*    STATUTE OR FROM A COURSE OF DEALING OR USAGE OF TRADE. 
*    YOUR RELIANCE ON, OR USE OF THIS PROGRAM IS AT YOUR SOLE RISK.
*    ROBOPLAN DOES NOT GUARANTEE THAT THE PROGRAM WILL BE FREE OF, OR NOT 
*    SUSCEPTIBLE TO, BUGS, SECURITY BREACHES, OR VIRUSES. ROBOPLAN DOES 
*    NOT WARRANT THAT YOUR USE OF THE PROGRAM, INCLUDING PURSUANT TO 
*    SCHEMATICS, INSTRUCTIONS OR RECOMMENDATIONS OF ROBOPLAN, WILL BE SAFE 
*    FOR PERSONAL USE OR FOR PRODUCTION OR COMMERCIAL USE, WILL NOT 
*    VIOLATE ANY THIRD PARTY RIGHTS, WILL PROVIDE THE INTENDED OR DESIRED
*    RESULTS, OR OPERATE AS YOU INTENDED OR AS MAY BE INDICATED BY ROBOPLAN. 
*    YOU HEREBY WAIVE, AGREE NOT TO ASSERT AGAINST, AND RELEASE ROBOPLAN, 
*    ITS LICENSORS AND AFFILIATES FROM, ANY CLAIMS IN CONNECTION WITH ANY OF 
*    THE ABOVE. 
********************************************************/

Credits

Niko123

Niko123

3 projects • 5 followers

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