الكود البرمجي
الكود البرمجي للمرسل يتم رفعه على الأردوينو الذي سيرسل البيانات
int ledPin = 13;
void setup() {
pinMode(ledPin, OUTPUT);
Serial.begin(9600);
}
void loop() {
byte input;
while (Serial.available() > 0) {
input = Serial.read();
digitalWrite(ledPin, HIGH);
delay(10);
digitalWrite(ledPin, LOW);
for (int i = 0; i < 8; i++) {
digitalWrite(ledPin, (input & (1 << i)) >> i);
delay(100);
}
digitalWrite(ledPin, LOW);
delay(10);
}
}
الكود البرمجي للمستقبل يتم رفعه على الأردوينو الذي يستقبل بيانات
#define NUM_SAMPLES 10
int sensorPin = A0; // select the input pin for the potentiometer
int sensorValue = 0; // variable to store the value coming from the sensor
double average;
#include <LiquidCrystal.h> //Load Liquid Crystal Library
LiquidCrystal lcd(12, 11, 5, 6, 7, 8);
void setup() {
lcd.begin(16,2);
Serial.begin(9600);
sensorValue = analogRead(sensorPin);
average = sensorValue;
}
void loop() {
// read the value from the sensor:
sensorValue = analogRead(sensorPin);
boolean high = false;
high = isSignalHigh(average, sensorValue);
if (high) {
byte incoming = 0;
delay(10);
for (int i = 0; i < 8; i++) {
incoming |= ( isSignalHigh(average, analogRead(sensorPin)) << i);
delay(100);
}
lcd.print((char)incoming); //Print measured distance
Serial.print((char)incoming);
}
average = approxRollingAverage(average, sensorValue);
}
double approxRollingAverage(double avg, double new_sample) {
avg -= avg / NUM_SAMPLES;
avg += new_sample / NUM_SAMPLES;
return avg;
}
boolean isSignalHigh(double average, double sample) {
if (sample - average > 10)
return true;
return false;
}

