A Weather Station in the Cloud - Internet of Things with Arduino - page 43

3.3 Testing The Sensors

Before connecting the project to the cloud, we will test every sensors individually. To do so,
we will write a simple test sketch. This is the complete code for this part:

// Include required libraries
#include "DHT.h"
#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BMP085_U.h>

// Variables
int lightLevel;
float humidity;
float temperature;

unsigned long time;

// DHT11 sensor pins
#define DHTPIN 8
#define DHTTYPE DHT11

// DHT & BMP instances
DHT dht (DHTPIN, DHTTYPE);
Adafruit_BMP085_Unified bmp = Adafruit_BMP085_Unified( 10085 );

void setup ( void )
{

// Initialize DHT sensor
dht.begin();

// Init serial
Serial.begin( 115200 );

// Initialise the sensor
if ( ! bmp.begin())
{

Serial.print( "Ooops, no BMP085 detected ... Check your wiring or I2C
ADDR!" );
while ( 1 );

}

}