diff --git a/daq.c b/daq.c
index e04abd1..49dc1ef 100644
--- a/daq.c
+++ b/daq.c
@@ -39,54 +39,53 @@ int DAQ(int t_hrs, int tm_s);
 
 
 int main(int argc, char *argv[]){
-    
+
     //char bioxCsen[], OXsen[], monoxCsen[];
-    
+
     int T,t;
 
     if(argc!=3){
         printf("Invalid number of arguments,\n usage: daq <time(h)> <sampling period(s)>\nexiting!\n");
         return -2;
     }
-    
+
     //configuración de sensores
     printf("Configuring CO2 sensor\n");
-    sensConf(GC0017, B9600, Pulling_Mode, " K 00002\r\n");
-    sensConf(GC0017, B9600, FILnUNFIL, " M 00006\r\n");
+    sensConf(GC0017, B9600, Pulling_Mode, " K 00002\r\n", 5);
+    sensConf(GC0017, B9600, FILnUNFIL, " M 00006\r\n", 5);
     printf("Configuring CO sensor\n");
-    sensConf(CM31911, B9600, Pulling_Mode, "K 00002\r\n");
-    sensConf(CM31911, B9600, M_zZTHBD, "M 14406\r\n");
+    sensConf(CM31911, B9600, Pulling_Mode, "K 00002\r\n", 5);
+    sensConf(CM31911, B9600, M_zZTHBD, "M 14406\r\n", 5);
     printf("Configuring O2 sensor\n");
-    sensConf(OX0052, B9600, OX_P_Mode, "M 01\r\n");
-    
+    sensConf(OX0052, B9600, OX_P_Mode, "M 01\r\n", 5);
+
     //adquisición
     T = atoi(argv[1]);//str to int
     t = atoi(argv[2]);
-    
+
     printf("Starting data acquisition with duration of %dh and every %ds\n", T, t);
-    
+
     DAQ(T, t);
     sleep(1);
-    
+
     //finalización
     //deinit uart
     uartClose(GC0017);
     uartClose(CM31911);
     uartClose(OX0052);
-    
+
     printf("Exiting of the program...\n");
     return 0;
 }
 
 
-int sensConf(unsigned char uartNumber, int baudRate, unsigned char mode[], unsigned char response[]){
-    
+int sensConf(unsigned char uartNumber, int baudRate, unsigned char mode[], unsigned char response[], int tries){
+
     int count;
-    int i = 0;
-    
+
     uartConf(uartNumber, baudRate);
-    
-    while( i < 10 ){
+
+    while(tries){
         uartTransmit(uartNumber, mode);
         tcdrain(uartFile[uartNumber]);  //wait all data has been sent
         printf("Command sended.\n");
@@ -94,19 +93,19 @@ int sensConf(unsigned char uartNumber, int baudRate, unsigned char mode[], unsig
         count = uartReceive(uartNumber);
         if (count == 0) printf("There was no data available to read!\n");
         else if (strcmp(receive[uartNumber], response) == 0) {
-                printf("Sensor configurated after %d tries.\n", i+1);
+                printf("Sensor configurated.\n");
                 return 0;
         } else {
             printf("The following was read in [%d]: %s\n",count,receive[uartNumber]);
-            char *c = receive[uartNumber];
-            while (*c != '\0'){
-                printf("%d = '%c'\n",*c, *c);
-                c++;
-            }
+            //char *c = receive[uartNumber];
+            //while (*c != '\0'){
+            //    printf("%d = '%c'\n",*c, *c);
+            //    c++;
+            //}
         }
-        i ++;
+        tries --;
     }
-    printf("CO2 Sensor configuration failed.\n");
+    printf("Sensor configuration failed.\n");
     return -1;
 }
 
@@ -149,12 +148,12 @@ int DAQ(int t_hrs, int tm_s)
                 co2_temp[10]="", o2_temp[10]="",
                 co2_press[10]="", o2_press[10]="",
                 co2_relH[10]="", DATA[100]="";
-    
+
     clock_t start_t, end_t;
     time_t new_time, prev_time, t0;
 	double tm_ms = tm_s*1e6 - 0.20e6;
 	double dif = tm_ms;
-	    
+
     //registro datos de inicio
     dfp = fopen(data_file_path, "w"); // open file for writing
     time_t curtime;
@@ -164,30 +163,30 @@ int DAQ(int t_hrs, int tm_s)
                 "\tPressure C02(.mBar)\tPresure 02(mBar)\tRelative Humidity(.)\n",
                 ctime(&curtime), '%'); // send the value to the file
     fclose(dfp); // close the file using the file pointer
-    
+
     //ciclo
     t0 = time(NULL) + tm_s;
     new_time = t0;
     for(int i = 0; i < (t_hrs*3600); i=i+tm_s){
-        
+
         if (dif <= 0) printf("T=%d Communication time exceded.\n", (int)(new_time-t0));
         else usleep((int)dif);
-        
+
         if (time(NULL) < new_time) while(new_time != time(NULL));
         else printf("T=%d time error.\n", (int)(new_time-t0));
-        
+
         start_t = clock();
             new_time = time(NULL);
             //command transmitions
             uartTransmit(CM31911, get_readigns);
             uartTransmit(OX0052, Readings_OX);
             uartTransmit(GC0017, get_readigns);
-            
+
             //uart receptions
             uartReceive(OX0052);
             uartReceive(CM31911);
             uartReceive(GC0017);
-            
+
             memcpy(co2_uf,   gmeasures(receive[GC0017],  'z', 5), 5);
             memcpy(co2_f,    gmeasures(receive[GC0017],  'Z', 5), 5);
             memcpy(co_uf,    gmeasures(receive[CM31911], 'z', 5), 5);
@@ -199,11 +198,11 @@ int DAQ(int t_hrs, int tm_s)
             memcpy(co2_press,gmeasures(receive[CM31911], 'B', 5), 5);
             memcpy(o2_press, gmeasures(receive[OX0052],  'P', 4), 4);
             memcpy(co2_relH, gmeasures(receive[CM31911], 'H', 5), 5);
-            
+
             sprintf(DATA, "%d\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s",
                     (int)(new_time-t0), co2_uf, co2_f, co_uf, co_f, o2_ppm, o2_xcent,
                     co2_temp, o2_temp, co2_press, o2_press, co2_relH);
-            
+
             printf("time(s)\tCO2 unfil(ppm)\tCO2 fil(ppm)\tCO unfil(ppm)\tCO fil(ppm)"\
                 "\tO2(ppm)\tO2(%c)\tTemperaure C02(ºC*10)\tTemperaure 02(ºC)"\
                 "\tPressure C02(.mBar)\tPresure 02(mBar)\tRelative Humidity(.)\n", '%');
@@ -214,19 +213,19 @@ int DAQ(int t_hrs, int tm_s)
             fclose(dfp); // close the file using the file pointer
             new_time += tm_s;
         end_t = clock();
-        
+
         dif =  tm_ms - ((double)(end_t - start_t)*1e6 / CLOCKS_PER_SEC);
     }
-    
+
     return 0;
 }
 
 char *gmeasures(char src[], char fval, int nchar){
 	char * ptr = &src[0];
 	static char s[10]="";
-	
+
 	while(*ptr != fval) ptr++;
 	ptr += 2;
 	memcpy(s, ptr, nchar);
 	return s;
-}
\ No newline at end of file
+}