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Merge branch 'master' of github.com:arduino/Arduino into LUFA_bootloader
Conflicts: build/shared/examples/01.Basics/DigitalReadSerial/DigitalReadSerial.ino
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@ -1,16 +1,22 @@
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/*
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AnalogReadSerial
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Reads an analog input on pin 0, prints the result to the serial monitor
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Reads an analog input on pin 0, prints the result to the serial monitor.
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Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground.
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This example code is in the public domain.
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*/
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// the setup routine runs once when you press reset:
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void setup() {
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// initialize serial communication at 9600 bits per second:
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Serial.begin(9600);
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}
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// the loop routine runs over and over again forever:
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void loop() {
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// read the input on analog pin 0:
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int sensorValue = analogRead(A0);
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// print out the value you read:
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Serial.println(sensorValue);
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delay(1); // delay in between reads for stability
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}
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@ -4,16 +4,21 @@
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This example code is in the public domain.
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*/
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// Pin 13 has an LED connected on most Arduino boards.
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// give it a name:
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int led = 13;
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// the setup routine runs once when you press reset:
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void setup() {
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// initialize the digital pin as an output.
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// Pin 13 has an LED connected on most Arduino boards:
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pinMode(13, OUTPUT);
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pinMode(led, OUTPUT);
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}
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// the loop routine runs over and over again forever:
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void loop() {
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digitalWrite(13, HIGH); // set the LED on
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delay(1000); // wait for a second
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digitalWrite(13, LOW); // set the LED off
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delay(1000); // wait for a second
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digitalWrite(led, HIGH); // turn the LED on (HIGH is the voltage level)
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delay(1000); // wait for a second
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digitalWrite(led, LOW); // turn the LED off by making the voltage LOW
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delay(1000); // wait for a second
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}
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@ -5,15 +5,23 @@
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This example code is in the public domain.
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*/
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// digital pin 2 has a pushbutton attached to it. Give it a name:
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int pushButton = 2;
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// the setup routine runs once when you press reset:
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void setup() {
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// initialize serial communication at 9600 bits per second:
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Serial.begin(9600);
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pinMode(2, INPUT);
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// make the pushbutton's pin an input:
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pinMode(pushButton, INPUT);
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}
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// the loop routine runs over and over again forever:
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void loop() {
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int sensorValue = digitalRead(2);
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Serial.println(sensorValue);
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delay(1); // short delay in between reads for stability
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// read the input pin:
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int buttonState = digitalRead(pushButton);
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// print out the state of the button:
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Serial.println(buttonState);
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}
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@ -5,19 +5,22 @@
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using the analogWrite() function.
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This example code is in the public domain.
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*/
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int led = 9; // the pin that the LED is attached to
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int brightness = 0; // how bright the LED is
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int fadeAmount = 5; // how many points to fade the LED by
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// the setup routine runs once when you press reset:
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void setup() {
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// declare pin 9 to be an output:
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pinMode(9, OUTPUT);
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pinMode(led, OUTPUT);
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}
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// the loop routine runs over and over again forever:
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void loop() {
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// set the brightness of pin 9:
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analogWrite(9, brightness);
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analogWrite(led, brightness);
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// change the brightness for next time through the loop:
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brightness = brightness + fadeAmount;
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@ -29,3 +32,4 @@ void loop() {
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// wait for 30 milliseconds to see the dimming effect
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delay(30);
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}
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@ -0,0 +1,23 @@
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/*
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ReadAnalogVoltage
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Reads an analog input on pin 0, converts it to voltage, and prints the result to the serial monitor.
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Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground.
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This example code is in the public domain.
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*/
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// the setup routine runs once when you press reset:
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void setup() {
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// initialize serial communication at 9600 bits per second:
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Serial.begin(9600);
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}
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// the loop routine runs over and over again forever:
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void loop() {
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// read the input on analog pin 0:
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int sensorValue = analogRead(A0);
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// Convert the analog reading (which goes from 0 - 1023) to a voltage (0 - 5V):
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float voltage = sensorValue * (5.0 / 1023.0);
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// print out the value you read:
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Serial.println(voltage);
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}
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