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HotWheelsSensor1.ino
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HotWheelsSensor1.ino
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//Processing serial code with traffic light start..
//Two sensors on Arduino, two tracks. First sensor triggered indicates winner
//Processing App detects serial from winning sensor and Checkered flag ensues, also "Winner, lane one!" or whatever
//some way to reset (inByte?)
//start over!
//also need SPEED mode option trigger from Processing App.
//then make WiFi version for Android
const int ledPin = 2;
const int ledPin2 = 3;
const int ldrPin = A0;
const int ldrPin2 = A1;
int num = 0;
long currentMillis = 0;
long previousMillis = 0;
long previousMillis2 = 0;
int inByte = 0;
boolean ready = true; //need to start ready because processing resets Arduino!
void setup() {
Serial.begin(115200);
pinMode(ldrPin, INPUT);
pinMode(ldrPin2, INPUT);
pinMode(ledPin, OUTPUT);
pinMode(ledPin2, OUTPUT);
digitalWrite(ledPin, HIGH);
digitalWrite(ledPin2, HIGH);
byte outByte = 0;
}
void loop() {
// Serial.print("0");
if (Serial.available() > 0) {
// get incoming byte:
inByte = Serial.read();
//todo: check which byte! - doesn't really matter.. maybe toggle speed mode and VS mode!
ready = true;
}
if(ready){
int ldrStatus = analogRead(ldrPin);
int ldrStatus2 = analogRead(ldrPin2);
// Serial.print(ldrStatus); //testing
// Serial.print(" ....... ");
// Serial.println(ldrStatus2); //testing
if (ldrStatus < 7) {
if (millis() - previousMillis > 100) {
Serial.print("0"); // one or two, not both
// Serial.println(num++);
// Serial.println(millis() - previousMillis); //time from one lap to next!
currentMillis = millis();
}
previousMillis = millis();
ready = false; //reset
}
//Serial.println(ldrStatus2); //testing
if (ldrStatus2 < 7) {
if (millis() - previousMillis > 100) {
Serial.print("1"); //one or two, not both
// Serial.println(num++);
// Serial.print("TOTAL TIME: ");
// Serial.println(millis() - currentMillis);
}
previousMillis = millis();
ready = false; //reset
}
}
}