Thermal sensor Code for LV3 air frame

#include <Wire.h>
#include <SPI.h>
#include <Adafruit_LIS3DH.h>
#include <Adafruit_Sensor.h>
#include "Adafruit_MAX31855.h"
#include <SD.h>
#define LIS3DH_CLK 13
#define LIS3DH_MISO 12
#define LIS3DH_MOSI 11
#define LIS3DH_CS 10
#define MAXDO    9
#define MAXCS    6
#define MAXCLK   10
#define MAXDO1   9
#define MAXCS1   5
#define MAXCLK1  10
Adafruit_LIS3DH lis = Adafruit_LIS3DH();
// initialize the Thermocouple
Adafruit_MAX31855 thermocouple(MAXCLK, MAXCS, MAXDO);
// initialize the Thermocouple2
Adafruit_MAX31855 thermocouple2(MAXCLK1, MAXCS1, MAXDO1);
// Example creating a thermocouple instance with hardware SPI
// on a given CS pin.
//#define MAXCS   10
//Adafruit_MAX31855 thermocouple(MAXCS);
//Adafruit_MAX31855 thermocouple2(MAXCS);
const int chipSelect = 4;

void setup(){ 
  // Open serial communications and wait for port to open:
  
  Serial.begin(9600);
  while (!Serial){ 
    ; // wait for serial port to connect. Needed for native USB port only
  }
  delay(1000);
    #ifndef ESP8266
      while (!Serial);     // will pause Zero, Leonardo, etc until serial console opens
    #endif
  if (! lis.begin(0x18)) {   // change this to 0x19 for alternative i2c address
    Serial.println("Couldnt start");
    while (1);
  }
  Serial.println("LIS3DH found!");
  
  lis.setRange(LIS3DH_RANGE_16_G);   // 2, 4, 8 or 16 G!
  
  Serial.print("Range = "); Serial.print(2 << lis.getRange());  
  Serial.println("G");

  Serial.print("Initializing SD card...\n");

  // see if the card is present and can be initialized:
  if (!SD.begin(chipSelect)) {
    Serial.println("Card failed, or not present");
    // don't do anything more:
    return;
  }
 
 File dataFile = SD.open("datalog.csv", FILE_WRITE);

  // if the file is available, write to it:
  if (dataFile) {
    dataFile.println("Time,Temp1,Temp2,InternalTemp,accX,accY,accZ");
    dataFile.close();
    // print to the serial port too:
    Serial.println("Time,Temp1,Temp2,InternalTemp,accX,accY,accZ");
  }
  // if the file isn't open, pop up an error:
  else {
    Serial.println("error opening datalog.txt");
  }
} 

void loop() {
    
    lis.read();      // get X Y and Z data at once 
  sensors_event_t event; 
  lis.getEvent(&event);
  
   // basic readout test, just print the current temp
   double c = thermocouple.readCelsius();
   if (isnan(c)) {
     Serial.println("Something wrong with thermocouple!");
   }
   
   double c2 = thermocouple2.readCelsius();
   if (isnan(c2)) {
     Serial.println("Something wrong with thermocouple!");
   }
   
  // make a string for assembling the data to log:
  String data ="";
  data += (String)(((float)millis())/1000);
  data += ", ";
  data += (String)c;
  data += ", "; 
  data += (String)c2;
  data += ", "; 
  data += (String)thermocouple.readInternal();
  data += ", ";
  data += (String)event.acceleration.x;
  data += ", ";
  data += (String)event.acceleration.y;
  data += ", ";
  data += (String)event.acceleration.z;
  
  // open the file. note that only one file can be open at a time,
  // so you have to close this one before opening another.
  File dataFile = SD.open("datalog.csv", FILE_WRITE);

  // if the file is available, write to it:
  if (dataFile) {
    dataFile.println(data);
    dataFile.close();
    // print to the serial port too:
    Serial.println(data);
  }
  // if the file isn't open, pop up an error:
  else {
    Serial.println("error opening datalog.txt");
  }
 delay(250);
}