Desafio

README.md

@@ -1,5 +1,5 @@
 Desafio Github
 -------------------
 
-nome: 
-matricula: 
+nome: Fabricio José Sousa Silva<br />
+matricula: 21070035

codigo_final.ino

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+#include <OneWire.h>
+#include <DallasTemperature.h>
+//Carrega a biblioteca LiquidCrystal
+#include <LiquidCrystal.h>
+
+//Define os pinos que serão utilizados para ligação ao display
+LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
+
+#define ONE_WIRE_BUS 3
+DeviceAddress sensor1;
+// Setup a oneWire
+OneWire oneWire(ONE_WIRE_BUS);
+float temperatura;
+DallasTemperature sensors(&oneWire);
+
+//https://wiki.keyestudio.com/KS0429_keyestudio_TDS_Meter_V1.0
+#define TdsSensorPin A1
+#define VREF 5.0 // voltagem de referência
+#define SCOUNT 30 // sum of sample point
+int analogBuffer[SCOUNT]; // armazena o valor analogico num vetor
+int analogBufferTemp[SCOUNT];
+int analogBufferIndex = 0, copyIndex = 0;
+float averageVoltage = 0, tdsValue = 0, temperature = 25;
+//SENSOR DE PH https://www.electroniclinic.com/arduino-libraries-download-and-projects-they-are-used-in-project-codes/
+float calibration_value = 23.34 - 0.7; //valor para calibrar os valores do pH
+int phval = 0;
+unsigned long int avgval;
+int buffer_arr[10], temp;
+float ph_act;
+
+void setup()
+{
+  //CARREGA LCD
+  lcd.begin(16, 2);
+  ///
+  Serial.begin(115200);
+  pinMode(TdsSensorPin, INPUT);
+  sensors.begin();
+  if (!sensors.getAddress(sensor1, 0))
+    Serial.println("Sensores nao encontrados !");
+  printarTelaBoasVindas();
+}
+void loop()
+{
+  //TEMPERATURA
+  sensors.requestTemperatures();
+  temperatura = sensors.getTempCByIndex(0);
+  Serial.print("Celsius: ");
+  //Printa no terminal a temperatura
+  Serial.print(sensors.getTempCByIndex(0));
+  Serial.println(sensors.getTempFByIndex(0));
+  delay(1000);
+
+
+  // CÓDIGO DA DOCUMENTAÇÃO DO SENSOR DE TDS
+  static unsigned long analogSampleTimepoint = millis();
+  if (millis() - analogSampleTimepoint > 40U) //a cada 40 milissegundos, leia o valor analógico do ADC
+  {
+    analogSampleTimepoint = millis();
+    analogBuffer[analogBufferIndex] = analogRead(TdsSensorPin); //leia o valor analógico e armazene no buffer
+    analogBufferIndex++;
+    if (analogBufferIndex == SCOUNT)
+      analogBufferIndex = 0;
+  }
+  static unsigned long printTimepoint = millis();
+  if (millis() - printTimepoint > 800U)
+  {
+    printTimepoint = millis();
+    for (copyIndex = 0; copyIndex < SCOUNT; copyIndex++)
+      analogBufferTemp[copyIndex] = analogBuffer[copyIndex];
+    averageVoltage = getMedianNum(analogBufferTemp, SCOUNT) * (float)VREF / 1024.0;
+    float compensationCoefficient = 1.0 + 0.02 * (temperature - 25.0);
+    float compensationVolatge = averageVoltage / compensationCoefficient;
+    tdsValue = (133.42 * compensationVolatge * compensationVolatge * compensationVolatge - 255.86 * compensationVolatge * compensationVolatge + 857.39 * compensationVolatge) * 0.5; //COMPENSAÇÃO ATRIBUIDA NO VALOR DE TDS
+    Serial.print("Valor de TDS:");
+    Serial.print(tdsValue, 0);
+    Serial.println("ppm");
+  }
+  //SENSOR DE PH
+  for (int i = 0; i < 10; i++)
+  {
+    buffer_arr[i] = analogRead(A0);
+    delay(30);
+  }
+  for (int i = 0; i < 9; i++)
+  {
+    for (int j = i + 1; j < 10; j++)
+    {
+      if (buffer_arr[i] > buffer_arr[j])
+      {
+        temp = buffer_arr[i];
+        buffer_arr[i] = buffer_arr[j];
+        buffer_arr[j] = temp;
+      }
+    }
+  }
+  avgval = 0;
+  for (int i = 2; i < 8; i++)
+    avgval += buffer_arr[i];
+  float volt = (float)avgval * 5.0 / 1024 / 6; //CALIBRA VOLTAGEM DO SENSOR DE PH
+  ph_act = -5.70 * volt + calibration_value;//PH ATUAL
+
+  Serial.print("pH Val: ");
+  Serial.println(ph_act);
+  delay(1000);
+  printarTela();
+}
+int getMedianNum(int bArray[], int iFilterLen)
+{
+  //TDS MÉDIO
+  int bTab[iFilterLen];
+  for (byte i = 0; i < iFilterLen; i++)
+    bTab[i] = bArray[i];
+  int i, j, bTemp;
+  for (j = 0; j < iFilterLen - 1; j++)
+  {
+    for (i = 0; i < iFilterLen - j - 1; i++)
+    {
+      if (bTab[i] > bTab[i + 1])
+      {
+        bTemp = bTab[i];
+        bTab[i] = bTab[i + 1];
+        bTab[i + 1] = bTemp;
+      }
+    }
+  }
+  if ((iFilterLen & 1) > 0)
+    bTemp = bTab[(iFilterLen - 1) / 2];
+  else
+    bTemp = (bTab[iFilterLen / 2] + bTab[iFilterLen / 2 - 1]) / 2;
+  return bTemp;
+}
+
+void printarTelaBoasVindas()
+{
+  lcd.setCursor(0,0);
+  lcd.print("Bem vindo a");
+  lcd.setCursor(1,0);
+  lcd.print("AMPara");
+  delay(5000);
+}
+void printarTela()
+{
+  //TEMPERATURA
+  lcd.setCursor(0,0);
+  lcd.print("TEMPERATURA ");
+  delay(3000);
+  lcd.clear();
+  delay(500);
+  lcd.print("Valor normal:");
+  lcd.setCursor(0,1);
+  lcd.print("20 *C - 28 *C");
+  delay(4000);
+  lcd.clear();
+  lcd.setCursor(0,0);
+  lcd.print("Valor atual");
+  lcd.setCursor(0,1);
+  lcd.print(temperatura);
+  lcd.print(" *C");
+  delay(3000);
+  lcd.clear();
+  //TDS
+  lcd.setCursor(0,0);
+  lcd.print("TDS ");
+  delay(3000);
+  lcd.clear();
+  delay(500);
+  lcd.print("Valor normal:");
+  lcd.setCursor(0,1);
+  lcd.print("0 PPM - 200 PPM");
+  delay(4000);
+  lcd.clear();
+  lcd.setCursor(0,0);
+  lcd.print("Valor atual");
+  lcd.setCursor(0,1);
+  lcd.print(tdsValue);
+  lcd.print(" ppm");
+  delay(3000);
+  lcd.clear();
+  //PH
+  lcd.setCursor(0,0);
+  lcd.print("PH ");
+  delay(3000);
+  lcd.clear();
+  delay(500);
+  lcd.print("Valor normal:");
+  lcd.setCursor(0,1);
+  lcd.print("6.5 PH - 7.5 PH");
+  delay(4000);
+  lcd.clear();
+  lcd.setCursor(0,0);
+  lcd.print("Valor atual");
+  lcd.setCursor(0,1);
+  lcd.print(ph_act);
+  lcd.print(" pH");
+  delay(3000);
+  lcd.clear();
+}