cleanup and adding touchless disinfection code

touchless_disinfection/touchless_disinfection.ino

@@ -0,0 +1,44 @@
+const int US_sensorPin = 7;
+const int relayPin = 10;
+const int range = 8;   //Range of detection from the sensor in cm
+
+bool newAction;
+
+
+void setup() {
+  Serial.begin (9600); //Allows serial output to serial monitor
+  pinMode(relayPin, OUTPUT);
+  digitalWrite(relayPin, LOW); // Default relay should be OFF!
+}
+
+void loop() {
+  long duration, cm;
+  pinMode(US_sensorPin, OUTPUT);
+  digitalWrite(US_sensorPin, LOW);
+  delayMicroseconds(2);
+  digitalWrite(US_sensorPin, HIGH);
+  delayMicroseconds(5);
+  digitalWrite(US_sensorPin, LOW);
+  pinMode(US_sensorPin, INPUT);
+  duration = pulseIn(US_sensorPin, HIGH);
+
+  cm = microsecondsToCentimeters(duration);
+
+  if (cm < range && cm > 1) {
+
+    if (newAction) {
+      digitalWrite(relayPin, HIGH);    // Turn Ralay ON
+      delay(50);                     // Miliseconds which it waits before turn off again
+      digitalWrite(relayPin,LOW);    // Trun Ralay OFF
+      newAction = false;
+    }
+    delay(1000); // Miliseconds which it waits before does any action again
+    
+  } else {
+    newAction = true;
+  }
+}
+
+long microsecondsToCentimeters(long microseconds) {
+  return microseconds / 29 / 2;
+}

touchless_power_switch/touchless_power_switch.ino

@@ -3,8 +3,10 @@ const int relayPin = 10;
 const int range = 8;   //Range of detection from the sensor in cm
 int valRelay = 0;      // variable to store the read value
 long relayAction;
+bool newAction;
 
 void setup() {
+  Serial.begin (9600); //Allows serial output to serial monitor
   pinMode(relayPin, OUTPUT);
   digitalWrite(relayPin, HIGH); // Default relay should be OFF!
 }
@@ -12,31 +14,19 @@ void setup() {
 void loop() {
   long duration, cm;
   pinMode(US_sensorPin, OUTPUT);
-  
   digitalWrite(US_sensorPin, LOW);
   delayMicroseconds(2);
   digitalWrite(US_sensorPin, HIGH);
   delayMicroseconds(5);
   digitalWrite(US_sensorPin, LOW);
-
   pinMode(US_sensorPin, INPUT);
   duration = pulseIn(US_sensorPin, HIGH);
 
   cm = microsecondsToCentimeters(duration);
 
   if (cm < range && cm > 1) {
-    long new_duration, new_cm;
-    pinMode(US_sensorPin, OUTPUT);
-    digitalWrite(US_sensorPin, LOW);
-    delayMicroseconds(2);
-    digitalWrite(US_sensorPin, HIGH);
-    delayMicroseconds(5);
-    digitalWrite(US_sensorPin, LOW);
-    pinMode(US_sensorPin, INPUT);
-    new_duration = pulseIn(US_sensorPin, HIGH);
-
-    new_cm = microsecondsToCentimeters(new_duration);
 
+    if (newAction) {
       valRelay = digitalRead(relayPin);   // read the status of input pin
       if (valRelay) {
         relayAction = LOW;
@@ -44,13 +34,16 @@ void loop() {
         relayAction = HIGH;
       }
 
-    if (new_cm < range && new_cm > 1) {
       digitalWrite(relayPin, relayAction);   // Switch Ralay ON or OFF
-      delay(1000);                           // Miliseconds which it waits before does any action again
+      newAction = false;
     }
+    delay(1000); // Miliseconds which it waits before does any action again
+    
+  } else {
+    newAction = true;
   }
 }
+
 long microsecondsToCentimeters(long microseconds) {
   return microseconds / 29 / 2;
-
 }

touchless_time_limited/touchless_time_limited.ino

@@ -1,52 +0,0 @@
-const int US_sensorPin = 7;
-const int relayPin = 10;
-const int range = 8;   //Range of detection from the sensor in cm
-
-void setup() {
-  pinMode(relayPin, OUTPUT);
-  digitalWrite(relayPin, HIGH); // Default relay should be OFF!
-}
-
-void loop() {
-  long duration, cm;
-  pinMode(US_sensorPin, OUTPUT);
-  
-  digitalWrite(US_sensorPin, LOW);
-  delayMicroseconds(2);
-  digitalWrite(US_sensorPin, HIGH);
-  delayMicroseconds(5);
-  digitalWrite(US_sensorPin, LOW);
-
-  pinMode(US_sensorPin, INPUT);
-  duration = pulseIn(US_sensorPin, HIGH);
-
-  cm = microsecondsToCentimeters(duration);
-  
-  if (cm < range && cm > 1) {
-    long new_duration, new_cm;
-    pinMode(US_sensorPin, OUTPUT);
-    digitalWrite(US_sensorPin, LOW);
-    delayMicroseconds(2);
-    digitalWrite(US_sensorPin, HIGH);
-    delayMicroseconds(5);
-    digitalWrite(US_sensorPin, LOW);
-    pinMode(US_sensorPin, INPUT);
-    new_duration = pulseIn(US_sensorPin, HIGH);
-
-    new_cm = microsecondsToCentimeters(new_duration);
-
-    if (new_cm < range && new_cm > 1) {
-      digitalWrite(relayPin, LOW);    // Turn Ralay ON
-      delay(500);                     // Miliseconds which it waits before turn off again
-      digitalWrite(relayPin,HIGH);    // Trun Ralay OFF
-    }
-
-    if (new_cm < range && new_cm > 1) {
-      delay(3000);                     // Pauses the measure for 3 seconds.. so the liquid-flow stops after above time
-    }
-  }
-}
-long microsecondsToCentimeters(long microseconds) {
-  return microseconds / 29 / 2;
-
-}