First commit

4 files changed, 195 insertions, 0 deletions

diff --git a/dissolvenza-led-distanza-ultrasuoni.ino b/dissolvenza-led-distanza-ultrasuoni.ino
new file mode 100644
index 0000000..a7be908
--- /dev/null
+++ b/dissolvenza-led-distanza-ultrasuoni.ino
@@ -0,0 +1,41 @@
+//HC RS04 Sensore ultrasuoni
+const int triggerPort = 9;
+const int echoPort = 10;
+const int led = 3;
+ 
+void setup() {
+ 
+pinMode(triggerPort, OUTPUT);
+pinMode(echoPort, INPUT);
+pinMode(led, OUTPUT);
+Serial.begin(9600);
+}
+ 
+void loop() {
+ 
+
+digitalWrite( triggerPort, LOW );
+//invia un impulso di 10microsec su trigger
+digitalWrite( triggerPort, HIGH );
+delayMicroseconds( 10 );
+digitalWrite( triggerPort, LOW );
+ 
+long durata = pulseIn( echoPort, HIGH );
+ 
+long distanza = 0.034 * durata / 2;
+ 
+Serial.print("distanza: ");
+ 
+//durata in millisecondi
+if( durata > 38000 ){
+Serial.println("Fuori portata   ");
+}
+else{ 
+Serial.print(distanza); 
+Serial.println(" cm");
+int fadeValue = map(durata, 0, 38000, 0, 255)
+analogWrite(led, fadeValue);
+}
+
+delay(1000);
+}
diff --git a/ethernet-servomotore.ino b/ethernet-servomotore.ino
new file mode 100644
index 0000000..a4045e3
--- /dev/null
+++ b/ethernet-servomotore.ino
@@ -0,0 +1,84 @@
+#include <SPI.h>
+#include <Ethernet.h>
+
+
+#include <Servo.h> 
+ 
+Servo myservo;  // create servo object to control a servo 
+int servopin = 3;
+
+byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; //physical mac address
+
+char serverName[] = "codice-sorgente.it";
+char serverPage[] = "/UTCTime.php?zone=Europe/Rome";
+EthernetClient client;
+
+//////////////////////
+
+void setup(){
+
+  if (Ethernet.begin(mac) == 0) {
+    Serial.println("Failed to configure Ethernet using DHCP");
+    // no point in carrying on, so do nothing forevermore:
+    while(true);
+  }
+
+  Serial.begin(9600); 
+  myservo.attach(servopin);
+  Serial.println("Init");
+}
+
+void loop(){
+  delay(3000); 
+  sendGET();
+} 
+
+//////////////////////////
+
+void sendGET() //client function to send/receive GET request data.
+{
+  if (client.connect(serverName, 80)) {  //starts client connection, checks for connection
+    Serial.println("connected");
+//    client.println("GET /ioprogrammo/UTCTime.php HTTP/1.0"); //download text
+    client.print("GET ");
+    client.print(serverPage);
+    client.println(" HTTP/1.0");
+    client.print("Host: ");
+    client.println(serverName);
+    client.println(); //end of get request
+  } 
+  else {
+    Serial.println("connection failed"); //error message if no client connect
+    Serial.println();
+    return;
+  }
+
+String response = "";
+  while(client.connected() && !client.available()) delay(1); //waits for data
+  while (client.connected() || client.available()) { //connected or data available
+    char c = client.read(); //gets byte from ethernet buffer
+    response += c;
+  }
+
+  Serial.println(response);
+  int da = response.indexOf("<")+1;
+  int a = response.indexOf(">");
+  String pageValue = response.substring(da,a);
+
+  da = pageValue.indexOf(" ")+1;
+  a = pageValue.indexOf(":",da);
+  String hour = pageValue.substring(da,a);
+  int ora = hour.toInt();
+  int rotazione = map(ora, 0, 23, 0, 180); //può essere 90 invece di 180
+  Serial.print("Writing this value to servo: ");
+  Serial.println(rotazione);
+  myservo.write(rotazione);
+
+  Serial.println();
+  Serial.println("disconnecting.");
+  Serial.println("==================");
+  Serial.println();
+  client.stop(); //stop client
+
+}
+
diff --git a/scala-led-potenziometro.ino b/scala-led-potenziometro.ino
new file mode 100644
index 0000000..62a2d45
--- /dev/null
+++ b/scala-led-potenziometro.ino
@@ -0,0 +1,55 @@
+int potPin = 2;    // pin analogico potenziometro
+
+int ledPin1 = 3;  //pin dei led
+int ledPin2 = 4;  
+int ledPin3 = 5;  
+int ledPin4 = 6;  
+int ledPin5 = 7;  
+
+
+void setup() {
+  pinMode(ledPin1, OUTPUT);  // dichiaro i ledPin come OUTPUT
+  pinMode(ledPin2, OUTPUT);
+  pinMode(ledPin3, OUTPUT);
+  pinMode(ledPin4, OUTPUT);
+  pinMode(ledPin5, OUTPUT);
+}
+
+void loop() {
+  int val = 0;       
+  val = analogRead(potPin);    //inserisco in val il valore del potenziometro
+  int mappedval = 0; 
+  mappedval = map(val, 0, 1023, 0, 5); //mappo il valore dall'intervallo 0-1023 a 0-5
+  
+  if (mappedval>0) {
+    digitalWrite(ledPin1, HIGH);
+  } else {
+    digitalWrite(ledPin1, LOW);
+  }
+  
+  if (mappedval>1) {
+    digitalWrite(ledPin2, HIGH);
+  } else {
+    digitalWrite(ledPin2, LOW);
+  }
+  
+  if (mappedval>2) {
+    digitalWrite(ledPin3, HIGH);
+  } else {
+    digitalWrite(ledPin3, LOW);
+  }
+  
+  if (mappedval>3) {
+    digitalWrite(ledPin4, HIGH);
+  } else {
+    digitalWrite(ledPin4, LOW);
+  }
+  
+  if (mappedval>4) {
+    digitalWrite(ledPin5, HIGH);
+  } else {
+    digitalWrite(ledPin5, LOW);
+  }
+  
+}
+ 
diff --git a/temperatura-lm35.ino b/temperatura-lm35.ino
new file mode 100644
index 0000000..a75cb28
--- /dev/null
+++ b/temperatura-lm35.ino
@@ -0,0 +1,15 @@
+int pin = 1;
+double temp = 0.0;
+
+void setup(){
+  Serial.begin(9600);
+}
+
+void loop(){
+  temp = analogRead(pin)*(500/1023);
+  Serial.print ("Stanza 1: ");
+  Serial.print (temp);
+  Serial.print ("° C");
+  Serial.println();
+  delay(1000);
+}