GilettaStefano
Published © CC BY-SA

AWS - Arduino Weather Station

Very useful project made at school that detects some weather data.

EasyFull instructions provided5,751
AWS - Arduino Weather Station

Things used in this project

Hardware components

Arduino UNO & Genuino UNO
Arduino UNO & Genuino UNO
×1
USB-A to Micro-USB Cable
USB-A to Micro-USB Cable
×1
Breadboard (generic)
Breadboard (generic)
×1
Jumper wires (generic)
Jumper wires (generic)
×1
Amazon Web Services Plexiglass 4 mm
×1
Resistor 221 ohm
Resistor 221 ohm
×1
Standard LCD - 16x2 White on Blue
Adafruit Standard LCD - 16x2 White on Blue
×1
DS1307 64 x 8, Serial, I²C Real-Time Clock
Maxim Integrated DS1307 64 x 8, Serial, I²C Real-Time Clock
×1
Photo resistor
Photo resistor
×1
DHT11 Temperature & Humidity Sensor
DHT11 Temperature & Humidity Sensor
×1
Temperature Sensor
Temperature Sensor
×1
IR receiver (generic)
×1
Amazon Web Services Water Level Sensor
×1
Amazon Web Services Sunfounder Starter RFID Kit
×1

Hand tools and fabrication machines

Laser cutter (generic)
Laser cutter (generic)

Story

Read more

Custom parts and enclosures

box_a5et5f4U9F.dwg

Schematics

aws_DMDwb4iUZp.fzz

Code

AWS code.ino

C/C++
//include sketch libraries
#include <IRremote.h>
#include <stdio.h> //clock library
#include <string.h> //clock library
#include <DS1302.h> //clock library
#include <dht.h> //dht11 library
#include <LiquidCrystal_I2C.h> //LCD library
#include <Wire.h> //Wire for LCD library

#define lmPin A1  //LM35 attach to A1

LiquidCrystal_I2C lcd(0x27, 16, 2); // set the LCD address to 0x27 for a 16 chars and 2 line display
dht DHT; //create a variable type of dht

const int DHT11_PIN = 4; //attach dht11 to pin 4
const int waterSensor = 0; //set water sensor variable
int waterValue = 0; //variable for water sensor
int mmwaterValue = 0;
int sensorPin = A3; // select the input pin for the potentiometer
int luce = 0; //variable for the ldr
int pluce = 0; //variable for the ldr
float tem = 0; //variable for the temperature
long lmVal = 0; //variable for the LM35
//ir
const int irReceiverPin = 3;
IRrecv irrecv(irReceiverPin);  //Creates a variable of type IRrecv
decode_results results;


//define clock variable
uint8_t RST_PIN   = 5;  //RST pin attach to
uint8_t SDA_PIN   = 6;  //IO pin attach to
uint8_t SCL_PIN = 7;  //clk Pin attach to
/* Create buffers */
char buf[50];
char day[10];


/* Create a DS1302 object */
DS1302 rtc(RST_PIN, SDA_PIN, SCL_PIN);//create a variable type of DS1302

void print_time()
{
  /* Get the current time and date from the chip */
  Time t = rtc.time();
  /* Name the day of the week */
  memset(day, 0, sizeof(day));
  switch (t.day)
  {
    case 1:
      strcpy(day, "Sun");
      break;
    case 2:
      strcpy(day, "Mon");
      break;
    case 3:
      strcpy(day, "Tue");
      break;
    case 4:
      strcpy(day, "Wed");
      break;
    case 5:
      strcpy(day, "Thu");
      break;
    case 6:
      strcpy(day, "Fri");
      break;
    case 7:
      strcpy(day, "Sat");
      break;
  }
  /* Format the time and date and insert into the temporary buffer */
  snprintf(buf, sizeof(buf), "%s %04d-%02d-%02d %02d:%02d:%02d", day, t.yr, t.mon, t.date, t.hr, t.min, t.sec);
  /* Print the formatted string to serial so we can see the time */
  Serial.println(buf);
  lcd.setCursor(2, 0);
  lcd.print(t.yr);
  lcd.print("-");
  lcd.print(t.mon / 10);
  lcd.print(t.mon % 10);
  lcd.print("-");
  lcd.print(t.date / 10);
  lcd.print(t.date % 10);
  lcd.print(" ");
  lcd.print(day);
  lcd.setCursor(4, 1);
  lcd.print(t.hr);
  lcd.print(":");
  lcd.print(t.min / 10);
  lcd.print(t.min % 10);
  lcd.print(":");
  lcd.print(t.sec / 10);
  lcd.print(t.sec % 10);
}

void setup() {
  //clock
  Serial.begin(9600);
  rtc.write_protect(false);
  rtc.halt(false);
  //ir
  irrecv.enableIRIn();  //enable ir receiver module

  lcd.init();  //initialize the lcd
  lcd.backlight();  //open the backlight
  pinMode(sensorPin, INPUT);
  Time t(2017, 12, 9, 11, 20, 00, 7);//initialize the time
  /* Set the time and date on the chip */
  rtc.time(t);
}

void loop() {
  lcd.setCursor(0, 0);
  lcd.print("A");
  delay(50);
  lcd.setCursor(1, 0);
  lcd.print("r");
  delay(50);
  lcd.setCursor(2, 0);
  lcd.print("d");
  delay(50);
  lcd.setCursor(3, 0);
  lcd.print("u");
  delay(50);
  lcd.setCursor(4, 0);
  lcd.print("i");
  delay(50);
  lcd.setCursor(5, 0);
  lcd.print("n");
  delay(50);
  lcd.setCursor(6, 0);
  lcd.print("o");
  delay(50);
  lcd.setCursor(8, 0);
  lcd.print("W");
  delay(50);
  lcd.setCursor(9, 0);
  lcd.print("e");
  delay(50);
  lcd.setCursor(10, 0);
  lcd.print("a");
  delay(50);
  lcd.setCursor(11, 0);
  lcd.print("t");
  delay(50);
  lcd.setCursor(12, 0);
  lcd.print("h");
  delay(50);
  lcd.setCursor(13, 0);
  lcd.print("e");
  delay(50);
  lcd.setCursor(14, 0);
  lcd.print("r");
  delay(50);
  lcd.setCursor(4, 1);
  lcd.print("S");
  delay(50);
  lcd.setCursor(5, 1);
  lcd.print("t");
  delay(50);
  lcd.setCursor(6, 1);
  lcd.print("a");
  delay(50);
  lcd.setCursor(7, 1);
  lcd.print("t");
  delay(50);
  lcd.setCursor(8, 1);
  lcd.print("i");
  delay(50);
  lcd.setCursor(9, 1);
  lcd.print("o");
  delay(50);
  lcd.setCursor(10, 1);
  lcd.print("n");
  delay(50);

if (irrecv.decode(&results)) //if the ir receiver module receiver data
  {   
if (results.value == 0xFF6897) //if "0" is pushed print TIME
{
  lcd.clear(); //clear the LCD
  print_time();
  delay(10000); //delay 10000ms
  lcd.clear(); //clear the LCD
  delay (200); //wait for a while
  irrecv.resume();    // Receive the next value
}
if (results.value == 0xFF30CF) //if "1" is pushed print TEMPERATURE and HUMIDITY
{
  lcd.clear(); //clear the LCD
  //READ DATA of the DHT
  int chk = DHT.read11(DHT11_PIN);
  // DISPLAY DATA
  lcd.setCursor(0, 0);
  lcd.print("Tem:");
  lmVal = analogRead(lmPin);//read the value of A1
  tem = (lmVal * 0.0048828125 * 100);//5/1024=0.0048828125;1000/10=100
  lcd.print(tem);//print tem
  lcd.print(char(223));//print the unit"  "
  lcd.print("C      ");
  // Serial.println(" C");
  lcd.setCursor(0, 1);
  lcd.print("Hum:");
  //Serial.print("Hum:");
  lcd.print(DHT.humidity, 1); //print the humidity on lcd
  //Serial.print(DHT.humidity,1);
  lcd.print(" %      ");
  //Serial.println(" %");
  delay(10000); //wait for 3000 ms
  lcd.clear(); //clear the LCD
  delay(200); //wait for a while
  irrecv.resume();    // Receive the next value
}
if (results.value == 0xFF18E7) //if "2" is pushed print the DARKNESS
{
  lcd.clear(); //clear the LCD
  lcd.setCursor(4, 0); //place the cursor on 4 column, 1 row
  lcd.print("Darkness:");
  luce = analogRead(sensorPin); //read the ldr
  pluce = map(luce, 0, 1023, 0, 100); //the value of the sensor is converted into values from 0 to 100
  lcd.setCursor(6, 1); //place the cursor on the middle of the LCD
  lcd.print(pluce); //print the percentual
  lcd.print("%"); //print the symbol
  delay(10000); //delay 10000 ms
  lcd.clear(); //clear the LCD
  delay(200); //wait for a while
  irrecv.resume();    // Receive the next value
}
if (results.value == 0xFF7A85) //if "3" is pushed print the SNOW or WATER LEVEL
{
  lcd.clear(); //clear the LCD
  lcd.setCursor(0, 0); //place the cursor on 0 column, 1 row
  lcd.print("Fluid level(mm):"); //print "Fluid level(mm):"
  int waterValue = analogRead(waterSensor); // get water sensor value
  lcd.setCursor(6, 1); //place cursor at 6 column,2 row
  mmwaterValue = map(waterValue, 0, 1023, 0, 40);
  lcd.print(mmwaterValue);  //value displayed on lcd
  delay(10000); //delay 10000ms
  lcd.clear(); //clear the LCD
  delay(200);
  irrecv.resume();    // Receive the next value
}

if (results.value == 0xFF9867) //if "PRESENTATION" is pushed print TIME, TEM and HUM, DARKNESS and S or W LEVEL one time
{
  lcd.clear(); //clear the LCD
  print_time();
  delay(4000); //delay 10000ms
  lcd.clear(); //clear the LCD
  delay (200); //wait for a while

  //READ DATA of the DHT
  int chk = DHT.read11(DHT11_PIN);
  // DISPLAY DATA
  lcd.setCursor(0, 0);
  lcd.print("Tem:");
  lmVal = analogRead(lmPin);//read the value of A0
  tem = (lmVal * 0.0048828125 * 100);//5/1024=0.0048828125;1000/10=100
  lcd.print(tem);//print tem
  lcd.print(char(223));//print the unit"  "
  lcd.print("C      ");
  // Serial.println(" C");
  lcd.setCursor(0, 1);
  lcd.print("Hum:");
  //Serial.print("Hum:");
  lcd.print(DHT.humidity, 1); //print the humidity on lcd
  //Serial.print(DHT.humidity,1);
  lcd.print(" %      ");
  //Serial.println(" %");
  delay(4000); //wait for 3000 ms
  lcd.clear(); //clear the LCD
  delay(200); //wait for a while

  lcd.setCursor(4, 0); //place the cursor on 4 column, 1 row
  lcd.print("Darkness:");
  luce = analogRead(sensorPin); //read the ldr
  pluce = map(luce, 0, 1023, 0, 100); //the value of the sensor is converted into values from 0 to 100
  lcd.setCursor(6, 1); //place the cursor on the middle of the LCD
  lcd.print(pluce); //print the percentual
  lcd.print("%"); //print the symbol
  delay(4000); //delay 10000 ms
  lcd.clear(); //clear the LCD
  delay(200); //wait for a while

  lcd.setCursor(0, 0); //place the cursor on 0 column, 1 row
  lcd.print("Fluid level(mm):"); //print "Fluid level(mm):"
  int waterValue = analogRead(waterSensor); // get water sensor value
  lcd.setCursor(6, 1); //place cursor at 6 column,2 row
  mmwaterValue = map(waterValue, 0, 1023, 0, 40);
  lcd.print(mmwaterValue);  //value displayed on lcd
  delay(4000); //delay 10000ms
  lcd.clear(); //clear the LCD
  delay(200);
  irrecv.resume();    // Receive the next value
}
}
}

Credits

GilettaStefano

GilettaStefano

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