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@jordanmessina
Created September 29, 2014 19:11
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Updated Arduino Code
const int anPin1 = A0;
const int anPin2 = A1;
int triggerPin1 = 2;
long distance1, distance2;
void setup() {
Serial.begin(9600); // sets the serial port to 9600
pinMode(triggerPin1, OUTPUT);
}
void start_sensor(){
digitalWrite(triggerPin1,HIGH);
delay(1);
digitalWrite(triggerPin1,LOW);
}
void read_sensors(){
/*
Scale factor is (Vcc/512) per inch. A 5V supply yields ~9.8mV/in
Arduino analog pin goes from 0 to 1024, so the value has to be divided by 2 to get the actual inches
*/
distance1 = analogRead(anPin1)/2;
distance2 = analogRead(anPin2)/2;
}
void print_all(){
Serial.print("S1");
Serial.print(" ");
Serial.print(distance1);
Serial.print("in");
Serial.print(" ");
Serial.print(" ");
Serial.print("S2");
Serial.print(" ");
Serial.print(distance2);
Serial.print("in");
Serial.println();
}
void loop() {
start_sensor();
read_sensors();
print_all();
delay(100); //This is the equivant of the amount of sensors times 50. If you changed this to 5 sensors the delay would be 250.
}
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