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Changed analog references to use new A0 through A5 notation

This commit is contained in:
Tom Igoe 2010-09-04 19:47:59 +00:00
parent 5e2f82b742
commit 47d3b65e51
25 changed files with 57 additions and 46 deletions

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@ -10,6 +10,6 @@ void setup() {
} }
void loop() { void loop() {
int sensorValue = analogRead(0); int sensorValue = analogRead(A0);
Serial.println(sensorValue, DEC); Serial.println(sensorValue, DEC);
} }

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@ -6,7 +6,8 @@
*/ */
void setup() { void setup() {
// initialize the digital pin as an output: // initialize the digital pin as an output.
// Pin 13 has an LED connected on most Arduino boards:
pinMode(13, OUTPUT); pinMode(13, OUTPUT);
} }

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@ -9,6 +9,7 @@
* 8-ohm speaker on digital pin 8 * 8-ohm speaker on digital pin 8
created 21 Jan 2010 created 21 Jan 2010
Modified 4 Sep 2010
by Tom Igoe by Tom Igoe
This example code is in the public domain. This example code is in the public domain.

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@ -9,6 +9,7 @@
* 4.7K resistor on analog 0 to ground * 4.7K resistor on analog 0 to ground
created 21 Jan 2010 created 21 Jan 2010
Modified 4 Sep 2010
by Tom Igoe by Tom Igoe
This example code is in the public domain. This example code is in the public domain.
@ -25,7 +26,7 @@ void setup() {
void loop() { void loop() {
// read the sensor: // read the sensor:
int sensorReading = analogRead(0); int sensorReading = analogRead(A0);
// print the sensor reading so you know its range // print the sensor reading so you know its range
Serial.println(sensorReading); Serial.println(sensorReading);
// map the pitch to the range of the analog input. // map the pitch to the range of the analog input.

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@ -12,6 +12,7 @@
* LED connected from digital pin 9 to ground * LED connected from digital pin 9 to ground
created 29 Dec. 2008 created 29 Dec. 2008
Modified 4 Sep 2010
by Tom Igoe by Tom Igoe
This example code is in the public domain. This example code is in the public domain.
@ -20,7 +21,7 @@
// These constants won't change. They're used to give names // These constants won't change. They're used to give names
// to the pins used: // to the pins used:
const int analogInPin = 0; // Analog input pin that the potentiometer is attached to const int analogInPin = A0; // Analog input pin that the potentiometer is attached to
const int analogOutPin = 9; // Analog output pin that the LED is attached to const int analogOutPin = 9; // Analog output pin that the LED is attached to
int sensorValue = 0; // value read from the pot int sensorValue = 0; // value read from the pot

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@ -22,7 +22,7 @@
void loop() { void loop() {
// read the analog input into a variable: // read the analog input into a variable:
int analogValue = analogRead(0); int analogValue = analogRead(A0);
// print the result: // print the result:
Serial.println(analogValue); Serial.println(analogValue);
// wait 10 milliseconds for the analog-to-digital converter // wait 10 milliseconds for the analog-to-digital converter

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@ -18,7 +18,7 @@
Created by David Cuartielles Created by David Cuartielles
Modified 16 Jun 2009 Modified 4 Sep 2010
By Tom Igoe By Tom Igoe
This example code is in the public domain. This example code is in the public domain.
@ -27,7 +27,7 @@
*/ */
int sensorPin = 0; // select the input pin for the potentiometer int sensorPin = A0; // select the input pin for the potentiometer
int ledPin = 13; // select the pin for the LED int ledPin = 13; // select the pin for the LED
int sensorValue = 0; // variable to store the value coming from the sensor int sensorValue = 0; // variable to store the value coming from the sensor

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@ -17,7 +17,7 @@
created 29 Oct 2008 created 29 Oct 2008
By David A Mellis By David A Mellis
Modified 17 Jun 2009 Modified 4 Sep 2010
By Tom Igoe By Tom Igoe
http://arduino.cc/en/Tutorial/Calibration http://arduino.cc/en/Tutorial/Calibration
@ -27,7 +27,7 @@
*/ */
// These constants won't change: // These constants won't change:
const int sensorPin = 0; // pin that the sensor is attached to const int sensorPin = A0; // pin that the sensor is attached to
const int ledPin = 9; // pin that the LED is attached to const int ledPin = 9; // pin that the LED is attached to
// variables: // variables:

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@ -31,7 +31,7 @@ int index = 0; // the index of the current reading
int total = 0; // the running total int total = 0; // the running total
int average = 0; // the average int average = 0; // the average
int inputPin = 0; int inputPin = A0;
void setup() void setup()
{ {

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@ -33,7 +33,7 @@ void setup() {
void loop() { void loop() {
// send the value of analog input 0: // send the value of analog input 0:
Serial.println(analogRead(0)); Serial.println(analogRead(A0));
// wait a bit for the analog-to-digital converter // wait a bit for the analog-to-digital converter
// to stabilize after the last reading: // to stabilize after the last reading:
delay(10); delay(10);

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@ -15,7 +15,7 @@
Created 26 Sept. 2005 Created 26 Sept. 2005
by Tom Igoe by Tom Igoe
Modified 14 April 2009 Modified 4 Sep 2010
by Tom Igoe and Scott Fitzgerald by Tom Igoe and Scott Fitzgerald
This example code is in the public domain. This example code is in the public domain.
@ -44,7 +44,7 @@ void loop()
// get incoming byte: // get incoming byte:
inByte = Serial.read(); inByte = Serial.read();
// read first analog input, divide by 4 to make the range 0-255: // read first analog input, divide by 4 to make the range 0-255:
firstSensor = analogRead(0)/4; firstSensor = analogRead(A0)/4;
// delay 10ms to let the ADC recover: // delay 10ms to let the ADC recover:
delay(10); delay(10);
// read second analog input, divide by 4 to make the range 0-255: // read second analog input, divide by 4 to make the range 0-255:

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@ -19,7 +19,7 @@
Created 26 Sept. 2005 Created 26 Sept. 2005
by Tom Igoe by Tom Igoe
Modified 14 April 2009 Modified 4 Sep 2010
by Tom Igoe and Scott Fitzgerald by Tom Igoe and Scott Fitzgerald
This example code is in the public domain. This example code is in the public domain.
@ -48,7 +48,7 @@ void loop()
// get incoming byte: // get incoming byte:
inByte = Serial.read(); inByte = Serial.read();
// read first analog input, divide by 4 to make the range 0-255: // read first analog input, divide by 4 to make the range 0-255:
firstSensor = analogRead(0)/4; firstSensor = analogRead(A0)/4;
// delay 10ms to let the ADC recover: // delay 10ms to let the ADC recover:
delay(10); delay(10);
// read second analog input, divide by 4 to make the range 0-255: // read second analog input, divide by 4 to make the range 0-255:

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@ -10,15 +10,15 @@
created 2 Dec 2006 created 2 Dec 2006
by David A. Mellis by David A. Mellis
modified 14 Apr 2009 modified 4 Sep 2010
by Tom Igoe and Scott Fitzgerald by Tom Igoe and Scott Fitzgerald
This example code is in the public domain. This example code is in the public domain.
*/ */
const int redPin = 0; // sensor to control red color const int redPin = A0; // sensor to control red color
const int greenPin = 1; // sensor to control green color const int greenPin = A1; // sensor to control green color
const int bluePin = 2; // sensor to control blue color const int bluePin = A2; // sensor to control blue color
void setup() void setup()
{ {

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@ -16,6 +16,7 @@
connected to pin 13, so you don't need any extra components for this example. connected to pin 13, so you don't need any extra components for this example.
created 17 Jan 2009 created 17 Jan 2009
modified 4 Sep 2010
by Tom Igoe by Tom Igoe
This example code is in the public domain. This example code is in the public domain.
@ -25,7 +26,7 @@ http://arduino.cc/en/Tutorial/IfStatement
*/ */
// These constants won't change: // These constants won't change:
const int analogPin = 0; // pin that the sensor is attached to const int analogPin = A0; // pin that the sensor is attached to
const int ledPin = 13; // pin that the LED is attached to const int ledPin = 13; // pin that the LED is attached to
const int threshold = 400; // an arbitrary threshold level that's in the range of the analog input const int threshold = 400; // an arbitrary threshold level that's in the range of the analog input

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@ -17,7 +17,7 @@
* 10K resistor attached from pin 2 to ground * 10K resistor attached from pin 2 to ground
created 17 Jan 2009 created 17 Jan 2009
modified 25 Jun 2009 modified 4 Sep 2010
by Tom Igoe by Tom Igoe
This example code is in the public domain. This example code is in the public domain.
@ -28,7 +28,7 @@
// These constants won't change: // These constants won't change:
const int sensorPin = 2; // pin that the sensor is attached to const int sensorPin = A2; // pin that the sensor is attached to
const int ledPin = 9; // pin that the LED is attached to const int ledPin = 9; // pin that the LED is attached to
const int indicatorLedPin = 13; // pin that the built-in LED is attached to const int indicatorLedPin = 13; // pin that the built-in LED is attached to
const int buttonPin = 2; // pin that the button is attached to const int buttonPin = 2; // pin that the button is attached to

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@ -14,6 +14,7 @@
* 10K resistor from analog in 0 to ground * 10K resistor from analog in 0 to ground
created 1 Jul 2009 created 1 Jul 2009
modified 4 Sep 2010
by Tom Igoe by Tom Igoe
This example code is in the public domain. This example code is in the public domain.
@ -32,7 +33,7 @@ void setup() {
void loop() { void loop() {
// read the sensor: // read the sensor:
int sensorReading = analogRead(0); int sensorReading = analogRead(A0);
// map the sensor range to a range of four options: // map the sensor range to a range of four options:
int range = map(sensorReading, sensorMin, sensorMax, 0, 3); int range = map(sensorReading, sensorMin, sensorMax, 0, 3);

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@ -19,7 +19,7 @@
created 2 Jul 2008 created 2 Jul 2008
by David A. Mellis by David A. Mellis
modified 26 Jun 2009 modified 4 Sep 2010
by Tom Igoe by Tom Igoe
This example code is in the public domain. This example code is in the public domain.
@ -29,9 +29,9 @@
// these constants describe the pins. They won't change: // these constants describe the pins. They won't change:
const int groundpin = 18; // analog input pin 4 -- ground const int groundpin = 18; // analog input pin 4 -- ground
const int powerpin = 19; // analog input pin 5 -- voltage const int powerpin = 19; // analog input pin 5 -- voltage
const int xpin = 3; // x-axis of the accelerometer const int xpin = A3; // x-axis of the accelerometer
const int ypin = 2; // y-axis const int ypin = A2; // y-axis
const int zpin = 1; // z-axis (only on 3-axis models) const int zpin = A1; // z-axis (only on 3-axis models)
void setup() void setup()
{ {

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@ -14,7 +14,7 @@
created 25 Mar 2007 created 25 Mar 2007
by David Cuartielles <http://www.0j0.org> by David Cuartielles <http://www.0j0.org>
modified 30 Jun 2009 modified 4 Sep 2010
by Tom Igoe by Tom Igoe
This example code is in the public domain. This example code is in the public domain.
@ -24,7 +24,7 @@
// these constants won't change: // these constants won't change:
const int ledPin = 13; // led connected to digital pin 13 const int ledPin = 13; // led connected to digital pin 13
const int knockSensor = 0; // the piezo is connected to analog pin 0 const int knockSensor = A0; // the piezo is connected to analog pin 0
const int threshold = 100; // threshold value to decide when the detected sound is a knock or not const int threshold = 100; // threshold value to decide when the detected sound is a knock or not

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@ -4,7 +4,7 @@
This example controls an 8x8 LED matrix using two analog inputs This example controls an 8x8 LED matrix using two analog inputs
created 27 May 2009 created 27 May 2009
modified 29 Jun 2009 modified 4 Sep 2010
by Tom Igoe by Tom Igoe
This example works for the Lumex LDM-24488NI Matrix. See This example works for the Lumex LDM-24488NI Matrix. See
@ -83,8 +83,8 @@ void readSensors() {
// turn off the last position: // turn off the last position:
pixels[x][y] = HIGH; pixels[x][y] = HIGH;
// read the sensors for X and Y values: // read the sensors for X and Y values:
x = 7 - map(analogRead(0), 0, 1023, 0, 7); x = 7 - map(analogRead(A0), 0, 1023, 0, 7);
y = map(analogRead(1), 0, 1023, 0, 7); y = map(analogRead(A1), 0, 1023, 0, 7);
// set the new pixel position low so that the LED will turn on // set the new pixel position low so that the LED will turn on
// in the next screen refresh: // in the next screen refresh:
pixels[x][y] = LOW; pixels[x][y] = LOW;

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@ -12,7 +12,7 @@
The circuit: The circuit:
* LEDs from pins 2 through 11 to ground * LEDs from pins 2 through 11 to ground
created 26 Jun 2009 created 4 Sep 2010
by Tom Igoe by Tom Igoe
This example code is in the public domain. This example code is in the public domain.
@ -22,7 +22,7 @@
// these constants won't change: // these constants won't change:
const int analogPin = 0; // the pin that the potentiometer is attached to const int analogPin = A0; // the pin that the potentiometer is attached to
const int ledCount = 10; // the number of LEDs in the bar graph const int ledCount = 10; // the number of LEDs in the bar graph
int ledPins[] = { int ledPins[] = {

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@ -5,6 +5,7 @@
You can also add several different data types to string, as shown here: You can also add several different data types to string, as shown here:
created 27 July 2010 created 27 July 2010
modified 4 Sep 2010
by Tom Igoe by Tom Igoe
http://arduino.cc/en/Tutorial/StringAdditionOperator http://arduino.cc/en/Tutorial/StringAdditionOperator
@ -44,10 +45,10 @@ void loop() {
Serial.println(stringThree); // prints "You added this string" Serial.println(stringThree); // prints "You added this string"
// adding a variable integer to a string: // adding a variable integer to a string:
int sensorValue = analogRead(0); int sensorValue = analogRead(A0);
stringOne = "Sensor value: "; stringOne = "Sensor value: ";
stringThree = stringOne + sensorValue; stringThree = stringOne + sensorValue;
Serial.println(stringThree); // prints "Sensor Value: 401" or whatever value analogRead(0) has Serial.println(stringThree); // prints "Sensor Value: 401" or whatever value analogRead(A0) has
// adding a variable long integer to a string: // adding a variable long integer to a string:
long currentTime = millis(); long currentTime = millis();

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@ -4,6 +4,7 @@
Examples of how to append different data types to strings Examples of how to append different data types to strings
created 27 July 2010 created 27 July 2010
modified 4 Sep 2010
by Tom Igoe by Tom Igoe
http://arduino.cc/en/Tutorial/StringAppendOperator http://arduino.cc/en/Tutorial/StringAppendOperator
@ -43,8 +44,8 @@ void loop() {
Serial.println(stringOne); // prints "Sensor value for input" Serial.println(stringOne); // prints "Sensor value for input"
// adding a variable integer to a string: // adding a variable integer to a string:
stringOne += analogRead(0); stringOne += analogRead(A0);
Serial.println(stringOne); // prints "Sensor value for input A0: 456" or whatever analogRead(0) is Serial.println(stringOne); // prints "Sensor value for input A0: 456" or whatever analogRead(A0) is
Serial.println("\n\nchanging the Strings' values"); Serial.println("\n\nchanging the Strings' values");
stringOne = "A long integer: "; stringOne = "A long integer: ";

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@ -4,6 +4,7 @@
Examples of how to compare strings using the comparison operators Examples of how to compare strings using the comparison operators
created 27 July 2010 created 27 July 2010
modified 4 Sep 2010
by Tom Igoe by Tom Igoe
http://arduino.cc/en/Tutorial/StringComparisonOperators http://arduino.cc/en/Tutorial/StringComparisonOperators
@ -109,8 +110,8 @@ void loop() {
stringOne = "Sensor: "; stringOne = "Sensor: ";
stringTwo= "Sensor: "; stringTwo= "Sensor: ";
stringOne += analogRead(0); stringOne += analogRead(A0);
stringTwo += analogRead(5); stringTwo += analogRead(A5);
if (stringOne.compareTo(stringTwo) < 0 ) { if (stringOne.compareTo(stringTwo) < 0 ) {
Serial.println(stringOne + " comes after " + stringTwo); Serial.println(stringOne + " comes after " + stringTwo);

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@ -4,6 +4,7 @@
Examples of how to create strings from other data types Examples of how to create strings from other data types
created 27 July 2010 created 27 July 2010
modified 4 Sep 2010
by Tom Igoe by Tom Igoe
http://arduino.cc/en/Tutorial/StringConstructors http://arduino.cc/en/Tutorial/StringConstructors
@ -38,8 +39,8 @@ void loop() {
Serial.println(stringOne); // prints "13" Serial.println(stringOne); // prints "13"
// using an int and a base: // using an int and a base:
stringOne = String(analogRead(0), DEC); stringOne = String(analogRead(A0), DEC);
// prints "453" or whatever the value of analogRead(0) is // prints "453" or whatever the value of analogRead(A0) is
Serial.println(stringOne); Serial.println(stringOne);
// using an int and a base (hexadecimal): // using an int and a base (hexadecimal):

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@ -4,6 +4,7 @@
Examples of how to use startsWith() and endsWith() in a String Examples of how to use startsWith() and endsWith() in a String
created 27 July 2010 created 27 July 2010
modified 4 Sep 2010
by Tom Igoe by Tom Igoe
http://arduino.cc/en/Tutorial/StringStartsWithEndsWith http://arduino.cc/en/Tutorial/StringStartsWithEndsWith
@ -33,7 +34,7 @@ void loop() {
// endsWith() checks to see if a String ends with a particular character: // endsWith() checks to see if a String ends with a particular character:
String sensorReading = "sensor = "; String sensorReading = "sensor = ";
sensorReading += analogRead(0); sensorReading += analogRead(A0);
Serial.print (sensorReading); Serial.print (sensorReading);
if (sensorReading.endsWith(0)) { if (sensorReading.endsWith(0)) {
Serial.println(". This reading is divisible by ten"); Serial.println(". This reading is divisible by ten");