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Questions and Answers
The ______ pin controls the LED in the Arduino code.
output
The function that configures the pins in the Arduino sketch is called ______().
pinMode
The variable ______ stores the state of the input pin.
State
The ______ function runs continuously after the setup function.
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When the pushbutton is pressed, the output pin is set to ______.
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Study Notes
Arduino Sketch for Controlling an Output Pin
- The code defines variables for the output pin (
pin_o: 13), the input pin (pin_i: 1), and the state of the input pin (State). - The
setup()function configures the output pin as an output and the input pin as an input. - The
loop()function reads the state of the input pin (pin_i) usingdigitalRead(). -
State == 1indicates the input pin is HIGH (pressed), andState == 0indicates it's LOW (released). - If the input pin is HIGH, the
digitalWrite()function sets the output pin (pin_o) HIGH, turning the LED on. - If the input pin is LOW, the
digitalWrite()function sets the output pin (pin_o) LOW, turning the LED off. - This code demonstrates a basic but effective implementation of using a pushbutton to control an LED.
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Description
This quiz covers the fundamental concepts of an Arduino sketch used for controlling an output pin based on the state of an input pin. It details the setup of input and output configurations and how to read and write digital states to interact with components like LEDs. Test your knowledge on using Arduino for basic electronic control projects!
