//analog read info
int readAnalogPin1=A1;
int readAnalogVal1;
int dt=5;
float PotV1;
int solState2 = A2;
int sol2Hi;
float solV1;




#include <SD.h>
#include <SPI.h>

File myFile;

int pinCS = 10; // Pin 10 on Arduino Uno

void setup() {
    
  Serial.begin(9600);
  pinMode(pinCS, OUTPUT);
  pinMode(solState2, INPUT);
  
  
  // SD Card Initialization
  if (SD.begin())
  {
    Serial.println("SD card is ready to use.");
  } else
  {
    Serial.println("SD card initialization failed");
    return;
  }
  
  // Create/Open file 
  myFile = SD.open("test.txt", FILE_WRITE);
  
  // if the file opened okay, write to it:
  if (myFile) {
    Serial.println("Writing to file...");
    // Write to file
    myFile.println("Testing text 1, 2 ,3...");
    myFile.close(); // close the file
    Serial.println("Done.");
  }
  // if the file didn't open, print an error:
  else {
    Serial.println("error opening test.txt");
  }

  // Reading the file
  myFile = SD.open("test.txt");
  if (myFile) {
    Serial.println("Read:");
    // Reading the whole file
    while (myFile.available()) {
      Serial.write(myFile.read());
   }
    myFile.close();
  }
  else {
    Serial.println("error opening test.txt");
  }
  
}

void loop() {
  // put your main code here, to run repeatedly:
sol2Hi=digitalRead(solState2);
solV1=sol2Hi;
readAnalogVal1=analogRead(readAnalogPin1);
PotV1=(5./1023.)*readAnalogVal1;
Serial.print(PotV1);
Serial.print(", ");
Serial.println (solV1);

delay(dt);
}