 }
 
 
+void water_temp() {
+  byte i;
+  byte present = 0;
+  byte type_s;
+  byte data[12];
+  float celsius, fahrenheit;
+  ds.reset();
+  ds.select(addr);
+  ds.write(0x44, 1);        // start conversion, with parasite power on at the end
+  
+  delay(1000);     // maybe 750ms is enough, maybe not
+  // we might do a ds.depower() here, but the reset will take care of it.
+  
+  present = ds.reset();
+  ds.select(addr);    
+  ds.write(0xBE);         // Read Scratchpad
+
+  for ( i = 0; i < 9; i++) {           // we need 9 bytes
+    data[i] = ds.read();
+  }
+
+  // Convert the data to actual temperature
+  // because the result is a 16 bit signed integer, it should
+  // be stored to an "int16_t" type, which is always 16 bits
+  // even when compiled on a 32 bit processor.
+  int16_t raw = (data[1] << 8) | data[0];
+  if (type_s) {
+    raw = raw << 3; // 9 bit resolution default
+    if (data[7] == 0x10) {
+      // "count remain" gives full 12 bit resolution
+      raw = (raw & 0xFFF0) + 12 - data[6];
+    }
+  } else {
+    byte cfg = (data[4] & 0x60);
+    // at lower res, the low bits are undefined, so let's zero them
+    if (cfg == 0x00) raw = raw & ~7;  // 9 bit resolution, 93.75 ms
+    else if (cfg == 0x20) raw = raw & ~3; // 10 bit res, 187.5 ms
+    else if (cfg == 0x40) raw = raw & ~1; // 11 bit res, 375 ms
+    //// default is 12 bit resolution, 750 ms conversion time
+  }
+  celsius = (float)raw / 16.0;
+  fahrenheit = celsius * 1.8 + 32.0;
+  Serial.println(celsius);
+}
+
+void water_ph(){ Serial.println(analogRead(ph_probe));}

#include <Wire.h>
#include <math.h> 
#include "MS561101BA.h"
MS561101BA baro = MS561101BA();
int BH1750address = 0x23; //setting i2c address
int light = 8;
int ph_probe = A0;
int pump = 7;
int heat =6;
int water_temp = 13;
byte buff[2];



    case 'c':
      pres();
      break;
    case 'd':
      water_ph();
      break;
    case 'e':
      water_temp();
      break;/*
    case 'f':
      dh_mtr();
      break;
    case'g':
      pump_on();
