Test

iot_soil_moisture_master.ino

 //Libraries
 #include "ThingSpeak.h"
 #include <WiFi.h>
-#include <SPI.h>
 
 //Program variables
 int sInput1;
 int sInput2;
 int sInput3;
-
+int vccPin = 13;
 
 //Averages variables
 int Avg1, Avg2, Avg3, Avg4;
@@ -40,7 +39,12 @@ void setup() {
   String fv = WiFi.firmwareVersion();
   if (fv != "1.1.0") {
     Serial.println("Update the firmware of the WiFi shield to avoid unexpected issues.");
-  }  
+  }
+  //Sets the pin mode for pin 13 to output and gives it a 5v current
+  pinMode(vccPin, OUTPUT);
+  digitalWrite(vccPin, HIGH);
+  
+  //Establishes ThingSpeak client  
   ThingSpeak.begin(client);
 }
 
@@ -49,10 +53,11 @@ void loop() {
   connectToWPA();
   Serial.println("Reading data.");
   takeReadings();
+  //debug(); //For showing the program working (speeds up reading time and prints to console, otherwise remains the same).
   dailyReading = ((Avg1 + Avg2 + Avg3 + Avg4)/4);
   //Print for debug
   Serial.print("Daily reading is: ");
-  Serial.print(dailyReading);
+  Serial.println(dailyReading);
   Serial.println("Attempting to send data.");
   //Attempt to write the data to ThingSpeak
   ThingSpeak.setField(3, dailyReading);
@@ -88,37 +93,45 @@ void connectToWPA() {
 //Takes four averages (once every six hours) for the purpose of reporting the daily reading.
 void takeReadings(){
   //First average
+  digitalWrite(vccPin, HIGH);
   sInput1 = analogRead(A0);
   sInput2 = analogRead(A1);
   sInput3 = analogRead(A2);
   Avg1 = ((sInput1 + sInput2 + sInput3)/3);
+  digitalWrite(vccPin, LOW);
   //Delay 6 hours
   delay(21600000);
 
   
   //Second average
+  digitalWrite(vccPin, HIGH);
   sInput1 = analogRead(A0);
   sInput2 = analogRead(A1);
   sInput3 = analogRead(A2);
   Avg2 = ((sInput1 + sInput2 + sInput3)/3);
+  digitalWrite(vccPin, LOW);
   //Delay 6 hours
   delay(21600000);
 
   
   //Third average
+  digitalWrite(vccPin, HIGH);
   sInput1 = analogRead(A0);
   sInput2 = analogRead(A1);
   sInput3 = analogRead(A2);
   Avg3 = ((sInput1 + sInput2 + sInput3)/3);
+  digitalWrite(vccPin, LOW);
   //Delay 6 hours
   delay(21600000);
 
 
   //Fourth average
+  digitalWrite(vccPin, HIGH);
   sInput1 = analogRead(A0);
   sInput2 = analogRead(A1);
   sInput3 = analogRead(A2);
   Avg4 = ((sInput1 + sInput2 + sInput3)/3);
+  digitalWrite(vccPin, LOW);
   //Delay 6 hours
   delay(21600000);
 
@@ -127,10 +140,12 @@ void takeReadings(){
 //Debug method to demonstrate that my program works.
 void debug(){
   //First average
+  digitalWrite(vccPin, HIGH);
   sInput1 = analogRead(A0);
   sInput2 = analogRead(A1);
   sInput3 = analogRead(A2);
   Avg1 = ((sInput1 + sInput2 + sInput3)/3);
+  digitalWrite(vccPin, LOW);
   Serial.print("First average: ");
   Serial.println(Avg1);
   //Delay 10 seconds
@@ -138,10 +153,12 @@ void debug(){
 
   
   //Second average
+  digitalWrite(vccPin, HIGH);
   sInput1 = analogRead(A0);
   sInput2 = analogRead(A1);
   sInput3 = analogRead(A2);
   Avg2 = ((sInput1 + sInput2 + sInput3)/3);
+  digitalWrite(vccPin, LOW);
   Serial.print("Second average: ");
   Serial.println(Avg2);
   //Delay 10 seconds
@@ -149,10 +166,12 @@ void debug(){
 
   
   //Third average
+  digitalWrite(vccPin, HIGH);
   sInput1 = analogRead(A0);
   sInput2 = analogRead(A1);
   sInput3 = analogRead(A2);
   Avg3 = ((sInput1 + sInput2 + sInput3)/3);
+  digitalWrite(vccPin, LOW);
   Serial.print("Third average: ");
   Serial.println(Avg3);
   //Delay 10 seconds
@@ -160,10 +179,12 @@ void debug(){
 
 
   //Fourth average
+  digitalWrite(vccPin, HIGH);
   sInput1 = analogRead(A0);
   sInput2 = analogRead(A1);
   sInput3 = analogRead(A2);
   Avg4 = ((sInput1 + sInput2 + sInput3)/3);
+  digitalWrite(vccPin, LOW);
   Serial.print("Fourth average: ");
   Serial.println(Avg4);
   //Delay 10 seconds