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diff --git a/docs/source/arduino/digitalread.rst b/docs/source/arduino/digitalread.rst deleted file mode 100644 index ec64fb0..0000000 --- a/docs/source/arduino/digitalread.rst +++ /dev/null @@ -1,86 +0,0 @@ -.. _arduino-digitalread: - -digitalRead() -============= - -Description ------------ - -Reads the value from a specified digital pin, either -`HIGH <http://arduino.cc/en/Reference/Constants>`_ or -`LOW <http://arduino.cc/en/Reference/Constants>`_. - - - -Syntax ------- - -digitalRead(pin) - - - -Parameters ----------- - -pin: the number of the digital pin you want to read (*int*) - - - -Returns -------- - -`HIGH <http://arduino.cc/en/Reference/Constants>`_ or -`LOW <http://arduino.cc/en/Reference/Constants>`_ - - - -Example -------- - -:: - - - int ledPin = 13; // LED connected to digital pin 13 - int inPin = 7; // pushbutton connected to digital pin 7 - int val = 0; // variable to store the read value - - void setup() - { - pinMode(ledPin, OUTPUT); // sets the digital pin 13 as output - pinMode(inPin, INPUT); // sets the digital pin 7 as input - } - - void loop() - { - val = digitalRead(inPin); // read the input pin - digitalWrite(ledPin, val); // sets the LED to the button's value - } - - - -Sets pin 13 to the same value as the pin 7, which is an input. - - - -Note ----- - -If the pin isn't connected to anything, digitalRead() can return -either HIGH or LOW (and this can change randomly). - - - -The analog input pins can be used as digital pins, referred to as -A0, A1, etc. - - - -See also --------- - - -- `pinMode <http://arduino.cc/en/Reference/PinMode>`_\ () -- `digitalWrite <http://arduino.cc/en/Reference/DigitalWrite>`_\ () -- `Tutorial: Digital Pins <http://arduino.cc/en/Tutorial/DigitalPins>`_ - - |