ver 1.0.4

SensorCode/SensorCode.ino

@@ -2,48 +2,43 @@
 
 Servo serv;
 
+//Global variable
 int pin = A0; //input Velostat pin
 int pinServo = 9; //servo pin
 
 float sensorVal;
 float voltage;
-float voltageCal;
-float voltageScale;
 float angle;
-float Weight;
+float weight;
 
 //Calibration
-float offset = 2.585;
-float scale = -0.0008;
-float bias = 11;
+//float scale = 54.54;
 
 void setup() {
   Serial.begin(9600);
   serv.attach(pinServo); //attach servo pin
-  pinMode(pin,INPUT_PULLUP);
+
+  pinMode(pin,INPUT_PULLUP); 
   digitalWrite(pin, HIGH);
 }
 
 void loop() {
   sensorVal = analogRead(pin);
-  voltage = sensorVal * (5.0 / 1023.0);
-
-  //voltageCal = voltage - bias;
-  //voltageScale = abs(voltageCal / scale);
-  //voltageScale = (scale*voltageCal)-offset;
+  voltage = sensorVal * (5.0 / 1023.0); //Convert the sensor value to output voltage
   
-  angle = voltage*54.54;
-  //angle = map(voltage,0,3.3,0,180);
-  //Weight = (voltage-offset)/scale;
+  angle = map(voltage, 0, 3.3, 0, 180);
+  //angle = voltage*scale; //calculating the angular value
+
+  weight = 3.304-voltage/0.436; //calculating weight using calibration curve equation
 
   //Serial Printing
   Serial.print(sensorVal);
   Serial.print(" , ");
   Serial.print(voltage);
   Serial.print(" , ");
-  Serial.print(Weight);
+  Serial.print(angle);
   Serial.print(" , ");
-  Serial.println(angle);
+  Serial.println(weight);
   
 
   serv.write(angle);