3 . RGB LED

RGB stands for

• Red Green Blue

• Reflect, Glimmer, Bright

• Red, Gray, Black

• Random, General, Basic

How many pins does a typical common cathode RGB LED have?

• 3

• 2

• 5

• 4

The " + " indicates

• Common cathode

• common anode

• signal pin

• All are wrong

How many colors we can produce by using RGB Led ?

• 5

• 3

• 6

• 7

How to produce white color ?

• digitalWrite(8,LOW);

  digitalWrite(7,LOW);

  digitalWrite(6,HIGH);

• digitalWrite(8,HIGH);

  digitalWrite(7,HIGH);

  digitalWrite(6,HIGH);

• digitalWrite(8,HIGH);

  digitalWrite(7,LOW);

  digitalWrite(6,HIGH);

• digitalWrite(8,LOW);

  digitalWrite(7,LOW);

  digitalWrite(6,LOW);

Choose the "Common Cathode RGB" ?

• 
• 
• 
• All are correct

How to mention delay in the program ?

• time( );

• wait( );

• delay( );

• resume( );

Which option is showing correct connections ?

• A

• B

• Both are correct

• None

Which is not the real time example for rgb light project?

• Color lights in home

• Party decorations

• House decorations

• Traffic Lights

What we can learn through this project ?

• Measuring Temperature

• By adjusting the colors give rainbow colors

• controlling digital signals

• controlling the light