9. COMMENTS
• Comments can be anywhere
• Comments created with // or /*
and */
• Comments do not affect code
10. COMMENTS
• Comments can be anywhere
• Comments created with // or /*
and */
• Comments do not affect code
• You may not need comments,
but think about the community!
30. ACTIVITY
• Open your Tinkercad and look for the One Way Traffic Light
Circuit.
• For global declaration of variable, write on the uppermost
part of the code the following:
1.Declare a variable redLed with int data type and
assign a value 13
2.Add additional declaration variables for yellowLed
and greenLed to 12 and 11 respectively.
3.Change the value of the parameter of pinMode
based on the right variable name used.
31. ACTIVITY
• Open your Tinkercad and look for the One Way Traffic
Light Circuit.
• For global declaration of variable, write on the
uppermost part of the code the following:
4. Declare a variable wait for the delay time
and assign 1000.
5. Change the value of the parameter of delay
based on the right variable name used.