pxt-calliope/docs/lessons/looper.md
2016-04-01 16:22:47 -07:00

974 B

looper blocks lesson

Learn to control blinking LEDs.

@video td/videos/looper-0

Topic

For Loop

Class

Year 7

Prior learning/place of lesson in scheme of work

Learn how to control a blinking LED. We will be learning how to create a blinking app using the for loop as well as simple commands, such as plot and pause.

Documentation

for (let i = 0; i < 5; i++) {

}
basic.showNumber(0)
basic.pause(100)


Objectives

  • learn how to repeat code a fixed number of times
  • learn how to show a number on the LED screen, one digit at a time (scrolling from left to right)
  • learn how to pause program execution for the specified number of milliseconds
  • learn how to arithmetic operators operate on numbers and return a number