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aurdino.ino

+int ledPin = 13;
+String readString;
+
+void setup() {
+  Serial.begin(9600);
+  pinMode(ledPin, OUTPUT);
+  Serial.println("serial on/off test 0021"); // so I can keep track
+}
+
+
+void loop() {
+
+  while (Serial.available()) {
+    delay(3); 
+    char c = Serial.read();
+    readString += c;
+  }
+
+  if (readString.length() >0) {
+    Serial.println(readString);
+
+    if (readString == "on")     
+    {
+      digitalWrite(ledPin, HIGH);
+    }
+    if (readString == "off")
+    {
+      digitalWrite(ledPin, LOW);
+    }
+
+    readString="";
+  }
+}char incomingByte;
+void setup() {
+  // put your setup code here, to run once:
+Serial.begin(9600);
+pinMode(D0,OUTPUT);
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+if(Serial.available()>0){
+  incomingByte=Serial.read();
+  if(incomingByte=='1')
+{
+  digitalWrite(D0,HIGH);
+}
+else if(incomingByte=='0'){
+digitalWrite(D0,LOW);
+}
+//say what you got:
+Serial.print("I received:");
+Serial.println(incomingByte,DEC);
+delay(10);
+}void setup() {
+// initialize digital pin 16 as an output.
+pinMode(16, OUTPUT);
+}
+
+// the loop function runs over and over again forever
+void loop() {
+digitalWrite(16, HIGH); // turn the LED on (HIGH is the voltage level)
+delay(1000); // wait for a second
+digitalWrite(16, LOW); // turn the LED off by making the voltage LOW
+delay(100); // wait for 1/10 secon
+}}
+                      PROGRAM D
+                       char IncomingByte;
+//int serial;
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(9600);
+
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  if(Serial.available()>0)
+  {
+    IncomingByte=Serial.read();
+  Serial.print("I HAVE RECEIVED");
+  Serial.println(IncomingByte,DEC);
+  delay(10);}
+
+}
+                       PROGRAM E
+char incomingByte;
+void setup() {
+  // put your setup code here, to run once:
+Serial.begin(9600);
+pinMode(D0,OUTPUT);
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+if(Serial.available()>0){
+  incomingByte=Serial.read();
+  if(incomingByte=='1')
+{
+  digitalWrite(D0,HIGH);
+}
+else if(incomingByte=='0'){
+digitalWrite(D0,LOW);
+}
+//say what you got:
+Serial.print("I received:");
+Serial.println(incomingByte,DEC);
+delay(10);
+}
+}
+                     
+                   PROGRAM B
+                   
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