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''Code'' | ''Code'' | ||
#include <SPI.h> //including SDcard | |||
#include <SD.h> | |||
#include <math.h> //including for temperature calculation | |||
File myFile; //directing data to file | |||
void setup() { | |||
Serial.begin(9600); //starting comunication with arduino | |||
while (!Serial) { | while (!Serial) { | ||
; | |||
} | } | ||
Serial.print("Initializing SD card..."); //initializing the SD card | |||
if (!SD.begin(10)) { | |||
Serial.println("initialization failed!"); // signal if connection failed | |||
while (1); | |||
} | |||
Serial.println("initialization done."); // signal if connection succeded | |||
myFile = SD.open("Spaziergang.txt", FILE_WRITE); //naming file | |||
if (myFile) { | |||
Serial.print("Writing to test.txt..."); | |||
myFile.println ("Spaziergang"); //naming the section of the file, date, place, number of walk | |||
myFile.close(); | |||
Serial.println("done."); | |||
} | |||
else { | |||
// if the file didn't open, print an error: | |||
Serial.println("error opening Spaziergang.txt"); //signal if opening failed | Serial.println("error opening Spaziergang.txt"); //signal if opening failed | ||
} | } | ||
} | |||
void loop() { | |||
//if the communication started successfully- | |||
myFile = SD.open("Spaziergang.txt", FILE_WRITE); | myFile = SD.open("Spaziergang.txt", FILE_WRITE); | ||
if (myFile) { | if (myFile) { | ||
//collect incoming data from sensors | |||
//light | |||
Serial.print("Writing to Spaziergang.txt..."); | Serial.print("Writing to Spaziergang.txt..."); | ||
int light = analogRead(A0); | int light = analogRead(A0); | ||
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myFile.println(light); | myFile.println(light); | ||
//temperature | |||
myFile.print ("Temperatur: "); | myFile.print ("Temperatur: "); | ||
double temp=analogRead(A1); | double temp=analogRead(A1); | ||
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myFile.println( 1/( log(r/10000) /3950 + 1/(25+273.15))-273.15); | myFile.println( 1/( log(r/10000) /3950 + 1/(25+273.15))-273.15); | ||
// airquality | |||
int gas = analogRead(A3); | int gas = analogRead(A3); | ||
myFile.print( "Gas: "); | myFile.print( "Gas: "); | ||
myFile.println(gas, DEC); | myFile.println(gas, DEC); | ||
//pulse | |||
int pulse = analogRead(A2); | int pulse = analogRead(A2); | ||
myFile.print( "Pulse: "); | myFile.print( "Pulse: "); | ||
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delay(60000); //collect data every minute | delay(60000); //collect data every minute | ||
// close the file: | |||
myFile.close(); | myFile.close(); | ||
Serial.println("Sensor.geschrieben."); | Serial.println("Sensor.geschrieben."); | ||
} | |||
else { | else { | ||
// if the file didn't open, print an error: | // if the file didn't open, print an error: | ||
Serial.println("error opening Spaziergang.txt"); | Serial.println("error opening Spaziergang.txt"); | ||
} | |||
} | |||
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