Get micros

#include <SPI.h>
#include <SD.h>
#include "DHT.h"
#define DHTPIN D4 // what pin we're connected to
#define DHTTYPE DHT11 // DHT 11
const int chipSelect = D8;
File myFile;
DHT dht(DHTPIN, DHTTYPE);
void setup()
{
// Open serial communications and wait for port to open:
Serial.begin(9600);
//init SD card
Serial.print("Initializing SD card...");
if (!SD.begin(chipSelect))
{
Serial.println("initialization failed!");
return;
}
Serial.println("initialization done.");
}
void loop()
{
myFile = SD.open("tempdata.csv", FILE_WRITE);//change the file name if you want
delay(2000);
float h = dht.readHumidity();
float t = dht.readTemperature();
float f = dht.readTemperature(true);
// Check if any reads failed and exit early (to try again).
if (isnan(h) || isnan(t) || isnan(f))
{
Serial.println("Failed to read from DHT sensor!");
return;
}
//debug
Serial.print("Humidity: ");
Serial.print(h);
Serial.print(" %\t");
Serial.print("Temperature: ");
Serial.print(t);
Serial.print(" *C ");
Serial.print(f);
Serial.print(" *F\t");
// if the file opened okay, write to it:
if (myFile)
{
Serial.print("Writing to tempdata.csv...");
myFile.print(h);
myFile.print(",");
myFile.print(t);
myFile.print(",");
myFile.println(f);
// close the file:
myFile.close();
Serial.println("done.");
}
else
{
// if the file didn't open, print an error:
Serial.println("error opening tempdata.csv");
}
}

#include <Wire.h>
#include <Adafruit_BMP085.h>
#include <SFE_MicroOLED.h> // Include the SFE_MicroOLED library
#define PIN_RESET 255 //
#define DC_JUMPER 0 // I2C Addres: 0 - 0x3C, 1 - 0x3D
MicroOLED oled(PIN_RESET, DC_JUMPER); // Example I2C declaration
Adafruit_BMP085 bmp;
void setup()
{
Serial.begin(9600);
if (!bmp.begin()) {
Serial.println("Could not find a valid BMP180 sensor, check wiring!");
while (1) {}
}
oled.begin();
oled.clear(ALL); // Clear the display's memory (gets rid of artifacts)
oled.display();
}
void loop()
{
// Wait a few seconds between measurements.
delay(2000);
oled.clear(PAGE);
oled.setFontType(0); // set font type 0, please see declaration in SFE_MicroOLED.cpp
oled.setCursor(1, 3);
oled.print("Pressure = ");
oled.setCursor(1, 12);
oled.print(bmp.readPressure());
oled.print(" Pa");
oled.setCursor(1, 21);
oled.print("Temp =");
oled.setCursor(1, 30);
oled.print(bmp.readTemperature());
oled.print(" *C ");
oled.display();
delay(2000);
//2nd page of readings
oled.clear(PAGE);
oled.setFontType(0); // set font type 0, please see declaration in SFE_MicroOLED.cpp
oled.setCursor(1, 3);
oled.print("Altitude = ");
oled.setCursor(1, 12);
oled.print(bmp.readAltitude());
oled.print(" m");
oled.setCursor(1, 21);
oled.print("Sea Level=");
oled.setCursor(1, 30);
oled.print(bmp.readSealevelPressure());
oled.print(" Pa");
oled.display();
}