Committing individual examples instead of one .zip

build/shared/dist/examples/sensors_resistive/analog_read_led/analog_read_led.pde

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+/* Analog Read to LED
+ * ------------------ 
+ *
+ * turns on and off a light emitting diode(LED) connected to digital  
+ * pin 13. The amount of time the LED will be on and off depends on
+ * the value obtained by analogRead(). In the easiest case we connect
+ * a potentiometer to analog pin 2.
+ *
+ * Created 1 December 2005
+ * copyleft 2005 DojoDave <http://www.0j0.org>
+ * http://arduino.berlios.de
+ *
+ */
+
+int potPin = 2;    // select the input pin for the potentiometer
+int ledPin = 13;   // select the pin for the LED
+int val = 0;       // variable to store the value coming from the sensor
+
+void setup() {
+  pinMode(ledPin, OUTPUT);  // declare the ledPin as an OUTPUT
+}
+
+void loop() {
+  val = analogRead(potPin);    // read the value from the sensor
+  digitalWrite(ledPin, HIGH);  // turn the ledPin on
+  delay(val);                  // stop the program for some time
+  digitalWrite(ledPin, LOW);   // turn the ledPin off
+  delay(val);                  // stop the program for some time
+}

build/shared/dist/examples/sensors_resistive/knock_sensor/knock_sensor.pde

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+/* Knock Sensor
+ * ------------
+ *
+ * Program using a Piezo element as if it was a knock sensor.
+ *
+ * We have to basically listen to an analog pin and detect 
+ * if the signal goes over a certain threshold. It writes
+ * "knock" to the serial port if the Threshold is crossed,
+ * and toggles the LED on pin 13.
+ *
+ * Created 10 August 2005
+ * copyleft 2005 DojoDave <http://www.0j0.org>
+ * http://arduino.berlios.de
+ *
+ */
+
+int ledPin = 13;      // led connected to control pin 13
+int knockSensor = 0;  // the knock sensor will be plugged at analog pin 0
+byte val = 0;         // variable to store the value read from the sensor pin
+int statePin = LOW;   // variable used to store the last LED status, to toggle the light
+int THRESHOLD = 100;  // threshold value to decide when the detected sound is a knock or not
+
+void setup() {
+ pinMode(ledPin, OUTPUT); // declare the ledPin as as OUTPUT
+ Serial.begin(9600);       // use the serial port
+}
+
+void loop() {
+  val = analogRead(knockSensor);    // read the sensor and store it in the variable "val"
+  if (val >= THRESHOLD) {
+    statePin = !statePin;           // toggle the status of the ledPin (this trick doesn't use time cycles)
+    digitalWrite(ledPin, statePin); // turn the led on or off
+    Serial.println("Knock!");          // send the string "Knock!" back to the computer, followed by newline
+  }
+  delay(100);  // we have to make a delay to avoid overloading the serial port
+}
+

build/shared/dist/examples/sensors_resistive/read_joystick/read_joystick.pde

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+/* Read Jostick
+ * ------------
+ *
+ * Reads two analog pins that are supposed to be
+ * connected to a jostick made of two potentiometers
+ *
+ * We send three bytes back to the computer: one header and
+ * two with data as signed bytes, this will take the form:
+ *
+ *		Jxy\r\n
+ *
+ * x and y are integers and sent in ASCII 
+ * 
+ * created 20 June 2005
+ * copyleft 2005 DojoDave for DojoCorp <http://www.0j0.org>
+ * http://arduino.berlios.de
+ *
+ */
+ 
+int ledPin = 13;    // declare pin 13 for the LED
+int joyPin1 = 0;    // slider variable connecetd to analog pin 0
+int joyPin2 = 1;    // slider variable connecetd to analog pin 1
+int value1 = 0;     // variable to read the value from the analog pin 0
+int value2 = 0;     // variable to read the value from the analog pin 1
+
+void setup() 
+{
+  pinMode(ledPin, OUTPUT);    // initializes digital pins 0 to 7 as outputs
+  Serial.begin(9600);          // turn on the serial port
+}
+
+// function that transformes the data from a scale 0-1024 to a scale 0-9
+// and answers back the ASCII value for it
+int treatValue(int data)
+{
+  return (data * 9 / 1024) + 48;
+}
+
+void loop() 
+{
+  value1 = analogRead(joyPin1);   // reads the value of the variable resistor 
+  delay(100);			  // this small pause is needed between reading two
+				  // analog pins, otherwise we get the same value twice
+  value2 = analogRead(joyPin2);   // reads the value of the variable resistor 
+                                     
+  digitalWrite(ledPin, HIGH);     // turn LED on        
+  delay(value1/4);                // wait depending on the value read for one axis
+  digitalWrite(ledPin, LOW);      // turn LED off
+  delay(value2/4);                // wait depending on the value read for the other axis
+  Serial.print('J');                 // write a capital 'J' to the serial port
+  Serial.print(treatValue(value1), BYTE);  // send the treated value for sensor 1
+  Serial.print(treatValue(value2), BYTE);  // send the treated value for sensor 2
+  Serial.println();
+}