//BtSendChar.ino  Chris Ward 27/03/2022 14:37:10

#include <Wire.h>

//vars
unsigned long lgUpdateTime;
int fsrAPin = A1; // FSR is connected to analog 
int iFSR;         // the Analog reading from the FSR resistor divider

 
void setup(void) {

  Serial.begin(9600); // Send data to App
  lgUpdateTime = millis();

}
 
void loop(void) {
  
	     if(millis() - lgUpdateTime > 400) //Loop approx every 400 milliseconds
         {
               lgUpdateTime = millis();
               
               if (Serial.connected())
               {                      
                     iFSR = analogRead(fsrAPin);
                     
                     if (iFSR >200){

                         Serial.print("d");
                         Serial.println();  //This tells App "End of Data" = Ascii LineFeed Char Num 10
                     
                     } else{
                     
                         Serial.print("n");
                         Serial.println();  //This tells App "End of Data" = Ascii LineFeed Char Num 10 
                     }
               }
         }     
}