Arduino Review

How long is the LED on?

digitalWrite(13, HIGH);   
delay(1000);   
digitalWrite(13, LOW);   
delay(1000); 

• 1000 seconds
• 100 seconds
• 1 second
• 100 milliseconds

How long is the LED off?

digitalWrite(13, HIGH);   
 delay(1000);   
digitalWrite(13, LOW);   
delay(1000); 

• 1000 seconds
• 100 seconds
• 1 second
• 100 milliseconds

Which pin is the jumper wire connected to?

digitalWrite(13, HIGH);   
delay(1000);   
digitalWrite(13, LOW);   
 delay(1000); 

• 13
• 12
• 100
• digital pin

Which statement do you change to alter the time?
void setup()
{  
pinMode(13, OUTPUT);
}
void loop()
{  
digitalWrite(13, HIGH);    delay(1000);   
digitalWrite(13, LOW);    delay(1000); 
}

• delay
• void loop
• digitalWrite
• pinMode

Which means ON?
void setup()
{  
pinMode(13, OUTPUT);
}
void loop()
{  
digitalWrite(13, HIGH);    delay(1000);   
digitalWrite(13, LOW);    delay(1000); 
}

• OUTPUT
• HIGH
• LOW
• delay

Which means Off?
void setup()
{  
pinMode(13, OUTPUT);
}
void loop()
{  
digitalWrite(13, HIGH);    delay(1000);   
digitalWrite(13, LOW);    delay(1000); 
}

• OUTPUT
• HIGH
• LOW
• delay

Which means keep going forever?
void setup()
{  
pinMode(13, OUTPUT);
}
void loop()
{  
digitalWrite(13, HIGH);    delay(1000);   
digitalWrite(13, LOW);    delay(1000); 
}

• OUTPUT
• void setup
• void loop
• digitalWrite

Which symbol begins a comment?

• ;
• :
• .
• //

The entire code must end with

• Semicolon ;
• Parenthesis )
• Comma ,
• Curly Brace }

Which symbol ends a statement?

• Semicolon ;
• Parenthesis )
• Comma ,
• Curly Brace }