pxt-calliope/docs/lessons/digi-yoyo.md
Michael Elliot Braun 40405b7e7b updated lessons
2016-03-29 15:59:00 -07:00

1.0 KiB

digi yoyo lesson

create a counter with a while loop #while #loop #counter #docs

@video td/videos/digi-yoyo-0

Topic

While Loop

Prior learning/place of lesson in scheme of work

Learn how to creating a while loop, while condition do to repeat code while a condition is true. We will be learning how to create a digi yoyo app using a while loop, a variable, as well as basic commands, such as pause and show number.

Documentation


let x = 0

basic.showNumber(0)


while (true) {

    basic.pause(20)
}




Objectives

  • learn how to create a local variables to store data and use it in your code
  • learn how to set or change the value of a local variable
  • learn how to repeat code while a condition is true
  • learn how a relational comparison (<) of numbers will yield a Boolean
  • learn how to pause your code for the specified number of milliseconds
  • learn how to show a number on the LED screen