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Serial.begin(9600); //starting comunication with arduino | Serial.begin(9600); //starting comunication with arduino | ||
while (!Serial) { | while (!Serial) { | ||
; | ; | ||
} | } | ||
Serial.print("Initializing SD card..."); //initializing the SD card | Serial.print("Initializing SD card..."); //initializing the SD card | ||
if (!SD.begin(10)) { | if (!SD.begin(10)) { | ||
Serial.println("initialization failed!"); // signal if connection failed | Serial.println("initialization failed!"); // signal if connection failed | ||
while (1); | while (1); | ||
} | } | ||
Serial.println("initialization done."); // signal if connection succeded | Serial.println("initialization done."); // signal if connection succeded | ||
myFile = SD.open("test.txt", FILE_WRITE); //naming file | myFile = SD.open("test.txt", FILE_WRITE); //naming file | ||
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myFile.close(); | myFile.close(); | ||
Serial.println("done."); | Serial.println("done."); | ||
} | } | ||
else { | else { | ||
// if the file didn't open, print an error: | // if the file didn't open, print an error: | ||
Serial.println("error opening test.txt"); //signal if opening failed | Serial.println("error opening test.txt"); //signal if opening failed | ||
} | |||
} | |||
void loop() { | void loop() { | ||
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myFile.print( "Gas: "); | myFile.print( "Gas: "); | ||
myFile.println(gas, DEC); | myFile.println(gas, DEC); | ||
//pulse | //pulse | ||
int pulse = analogRead(A2); | int pulse = analogRead(A2); | ||
myFile.print( "Pulse: "); | myFile.print( "Pulse: "); | ||
myFile.println(pulse); | myFile.println(pulse); | ||
delay(60000); //collect data every minute | delay(60000); //collect data every minute | ||
// close the file: | // 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 test.txt"); | Serial.println("error opening test.txt"); | ||
} | } | ||
} | } | ||
''Breadboard'' | ''Breadboard'' |
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