Move sensors in to own code file

sensors.h

@@ -0,0 +1,27 @@
+#include <Wire.h>
+#include <Adafruit_ADS1015.h>
+#include <OneWire.h>
+#include <DallasTemperature.h>
+#include <PubSubClient.h>
+
+#define PH_7_VOLTAGE 2.5
+#define PH_4_VOLTAGE 3.04
+#define VOLTAGE_OFFSET 0.03
+
+class Sensors {
+	int _temperaturePin;
+	char *_temperatureTopic;
+	char *_phTopic;
+	float _pHStep = (PH_7_VOLTAGE - PH_4_VOLTAGE) / 3;
+	Adafruit_ADS1115 _ads;
+	//OneWire _oneWire;
+	DallasTemperature _ds18b20;
+	PubSubClient _mqttClient;
+
+  public:
+	Sensors(int temperaturePin, char *temperatureTopic, char *phTopic, PubSubClient mqttClient);
+	void setup();
+	float readpH();
+	void publishpH();
+	void publishTemperature();
+};