diff --git a/Project/applications/smartcities/i2c.c b/Project/applications/smartcities/i2c.c
index c872bb2..2441e17 100644
--- a/Project/applications/smartcities/i2c.c
+++ b/Project/applications/smartcities/i2c.c
@@ -69,7 +69,7 @@ void I2C_start(I2C_TypeDef* I2Cx, uint8_t address, uint8_t direction)
 
 void I2C_write(I2C_TypeDef* I2Cx, uint8_t data)
 {
-	printf("Sending I2C byte %x...\r\n",data);
+	printf("Sending I2C byte %02x...\r\n",data);
 	/* WARNING
 	 *
 	 * OJITO QUE ESTÁ ESPERANDO EL EV8 Y NO EL EV8_2
@@ -91,7 +91,9 @@ uint8_t I2C_read_ack(I2C_TypeDef* I2Cx)
 	{
 		// wait until one byte has been received
 	}
-	return I2C_ReceiveData(I2Cx);
+	uint8_t data = I2C_ReceiveData(I2Cx);
+	printf("Received byte: %02x",data);
+	return data;
 }
 
 uint8_t I2C_read_nack(I2C_TypeDef* I2Cx)
@@ -103,7 +105,9 @@ uint8_t I2C_read_nack(I2C_TypeDef* I2Cx)
 	{
 		// wait until one byte has been received
 	}
-	return I2C_ReceiveData(I2Cx);
+	uint8_t data = I2C_ReceiveData(I2Cx);
+	printf("Received byte: %02x",data);
+	return data;
 }
 
 void I2C_stop(I2C_TypeDef* I2Cx)
diff --git a/Project/applications/smartcities/main2.c b/Project/applications/smartcities/main2.c
index 97ca8e6..21f7672 100644
--- a/Project/applications/smartcities/main2.c
+++ b/Project/applications/smartcities/main2.c
@@ -183,7 +183,8 @@ void wifi_connect(void)
 
 void send_battery_level(unsigned long timestamp)
 {
-    char *batt_level = battery_value(get_battery_data());
+    //char *batt_level = battery_value(get_battery_data());
+    char *batt_level = battery_value(3300);
     char *batt_data = timestamp_data(batt_level,getDate(timestamp));
     chHeapFree(batt_level);
     char *statement = prepare_json_observation_statement(&batt_data,1);
@@ -220,11 +221,12 @@ int main(void)
     char* valueSensors[TOTAL_SENSORS];
     memset (valueSensors, 0, TOTAL_SENSORS);
 
-
     printf("Connecting to wifi...\r\n");
     wifi_connect();
-    
-    wakeup_sensors(0x15);
+   
+    send_battery_level(getSecsSince1900());
+
+    wakeup_sensors(0xFF);
     printf("Scanning sensors...\r\n");
     //Escanea y registra
     I2C_scan(sensors);
@@ -349,3 +351,13 @@ int main(void)
     }  
 }
 
+/*
+ * TO-DO
+ *
+ * - I2C issues
+ * - Test all sensors
+ * - Test ADC
+ * - Network fault tolerance
+ * - Reset server-related defines
+ * - Reset timer-related defines
+ */
\ No newline at end of file
diff --git a/Project/applications/smartcities/sensors.c b/Project/applications/smartcities/sensors.c
index 4d849b0..50f43cc 100644
--- a/Project/applications/smartcities/sensors.c
+++ b/Project/applications/smartcities/sensors.c
@@ -24,9 +24,9 @@ void wakeup_sensors(uint8_t logic_address)
 	GPIO_InitTypeDef  GPIO_InitStructure;
 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
 	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
-    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
     GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
-    GPIO_Init(ADCsound_GPIO_PORT, &GPIO_InitStructure);
+    GPIO_Init(GPIOA, &GPIO_InitStructure);
 
 	if(logic_address & 0x1)
 	{