文档介绍：Arduino
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Examples
See the foundations page for in-depth description of core concepts of the Arduino hardware and software; the hacking
page for information on extending and modifying the Arduino hardware and software; and the links page for other
documentation.
Examples Other Examples
Simple programs that demonstrate the use of the Arduino These are plex examples for using particular
board. These are included with the Arduino environment; to ponents or plishing specific tasks. The
open them, click the Open button on the toolbar and look in code is included on the page.
the examples folder. (If you're looking for an older
example, check the Arduino 0007 tutorials page.) Miscellaneous
Digital I/O TwoSwitchesOnePin: Read two switches with one I/O
pin
Blink: turn an LED on and off. Read a Tilt Sensor
Blink Without Delay: blinking an LED without using Controlling an LED circle with a joystick
the delay() function. 3 LED color mixer with 3 potentiometers
Button: use a pushbutton to control an LED.
Debounce: read a pushbutton, filtering noise. Timing & Millis
Loop: controlling multiple LEDs with a loop and an
Stopwatch
array.
Complex Sensors
Analog I/O
Read an ADXL3xx accelerometer
Analog Input: use a potentiometer to control the
Read an Accelerometer
blinking of an LED.
Read an Ultrasonic Range Finder (ultrasound sensor)
Fading: uses an analog output (PWM pin) to fade an
Reading the qprox qt401 linear touch sensor
LED.
Knock: detect knocks with a piezo element. Sound
Smoothing: smooth multiple readings of an analog
input. Play Melodies with a Piezo Speaker
Play Tones from the Serial Connection
Communication MIDI Output (from ITP p labs) and from
Spooky Arduino
These examples include code that allows the Arduino to talk
to Processing sketches runni