WeatherStation

Weather Station from Team Thorussell @ Witlab

Materiale

• Arduino UNO
• Raspberry Pi 3 (B+) con sistema operativo Raspbian
• Sensore di Hall
• Anemometro (Amazon: https://www.amazon.it/dp/B01F1QBF1K/ref=asc_df_B01F1QBF1K53248169/?tag=googshopit-21&creative=23394&creativeASIN=B01F1QBF1K&linkCode=df0&hvdev=c&hvnetw=g&hvqmt=)
• Sensore di umidità del terreno (igrometro)
• Sensore di temperatura e umidità
• Stampante 3D

Software

Codice per Arduino

#include <Wire.h>
#define SLAVE_ADDRESS 0X04
#include <Adafruit_AM2320.h>
#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>
#define dataPin 8 // Defines pin number to which the sensor is connected
#define DHTTYPE DHT11 

DHT dht(dataPin, DHTTYPE); // Creats a DHT object
int sensorPin = A1;  
int sensorValue = 0;  
int percent = 0;
int t = 0;
int h = 0;
int Level;
int HallPin = 9;
int pluvi = 0;

int convertToPercent(int value) {
    int percentValue = 0;
    percentValue = map(value, 0, 685, 0, 100);
    return percentValue;
}

void setup() {
    pinMode(HallPin, INPUT);
    Serial.begin(9600);
    Wire.begin(SLAVE_ADDRESS);
    dht.begin();
}
void loop() {
    int sensorValue = analogRead(A0);
    float outvoltage = sensorValue * (5.0 / 1023.0);
    Level = 6*outvoltage;
    t = dht.readTemperature(); // Gets the values of the temperature
    h = dht.readHumidity(); // Gets the values of the humidity
    sensorValue = analogRead(sensorPin);
    percent = convertToPercent(sensorValue);

    for(int i=0;i<100;i++){
        if(digitalRead(HallPin)== LOW){
            pluvi++;
        }
    delay(100);
    }

Serial.print("-");
Serial.print(Level);
Serial.print("-");
Serial.print(t);
Serial.print("-");
Serial.print(h);
Serial.print("-");
Serial.print(percent);
Serial.print("-");
Serial.print(pluvi*6);
Serial.print("-");
Serial.println();
}

Codice per Raspberry

import serial
import time

ser = serial.Serial('/dev/ttyACM0', 9600)

while True:
    read_ser = ser.readline()
    s = str((ser.readline(),16))

    x,level,t,h,percent,pluvi,y = s.split("-")
    speed=0
    level2= int(level)

    if level2 == 0:
        speed=0.5
    if level2 == 1:
        speed=3
    if level2 == 2:
        speed=8.5
    if level2 == 3:
        speed=15.5
    if level2 == 4:
        speed=24
    if level2 == 5:
        speed=33.5
    if level2 == 6:
        speed=44
    if level2 == 7:
        speed=55.5
    if level2 == 8:
        speed=68
    if level2 == 9:
        speed=81.5
    if level2 == 10:
        speed=95.5
    if level2 == 11:
        speed=110
    if level2 == 12:
        speed=118
    
    print ("Level of speed: ", level)
    print("Wind speed: ", speed,"km/h")
    print("Temperature: ", t, "°C")
    print("Humidity: ", h, "%")
    print ("Ground humidity: ",percent,"%")
    print("Water fallen: ",pluvi,"ml")
    print ()
    time.sleep(5)