Move sensors in to own code file

sensors.cpp

@@ -0,0 +1,48 @@
+#include "sensors.h"
+
+Sensors::Sensors(int temperaturePin, char *temperatureTopic, char *phTopic, PubSubClient mqttClient) {
+	_mqttClient = mqttClient;
+	OneWire oneWire = OneWire(temperaturePin);
+	_ds18b20 = DallasTemperature(&oneWire);
+	_temperaturePin = temperaturePin;
+	_temperatureTopic = temperatureTopic;
+	_phTopic = phTopic;
+}
+
+void Sensors::setup() {
+	pinMode(_temperaturePin, INPUT_PULLUP);
+	_ds18b20.begin();
+	_ads.setGain(GAIN_TWOTHIRDS);
+	_ads.begin();
+}
+
+float Sensors::readpH() {
+	int sum = 0;
+	const int readCount = 10;
+
+	for (int i = 0; i < readCount; i++) {
+		sum += _ads.readADC_SingleEnded(0);
+		delay(10);
+	}
+
+	float averageRead = float(sum) / readCount;
+
+	float voltage = 6.144 / 32768.0 * averageRead;
+	voltage -= VOLTAGE_OFFSET;
+	Serial.println(voltage);
+	float pH = 7 - ((PH_7_VOLTAGE - voltage) / _pHStep);
+	return pH;
+}
+
+void Sensors::publishpH() {
+	float pH = readpH();
+	String pHString(pH, 2);
+	_mqttClient.publish(_phTopic, pHString.c_str(), true);
+}
+
+void Sensors::publishTemperature() {
+	_ds18b20.requestTemperatures();
+	float temperature = _ds18b20.getTempCByIndex(0);
+	String temperatureString(temperature, 2);
+	_mqttClient.publish(_temperatureTopic, temperatureString.c_str(), true);
+}