pxt-calliope/docs/lessons/flashing-heart.md
Peli de Halleux df17ba09ae updated links
2016-04-04 22:33:13 -07:00

1.1 KiB

flashing heart blocks lesson

Learn how to create LED images with a global variable.

@video td/videos/flashing-heart-0

Topic

Pause

Prior learning/place of lesson in scheme of work

Learn how to show LEDs by showing an image on the LED screen. We will be learning how to create a blinking app using a forever loop as well as simple commands, such as show LEDs, pause, and clear screen.

Documentation

basic.forever(() => {})
basic.showLeds(`
    . . . . .
    . . . . .
    . . # . .
    . . . . .
    . . . . .
    `)
basic.pause(100)
basic.clearScreen()

Objectives

  • learn how to repeat code in the background forever
  • learn how to show LEDs on the LED screen
  • learn how to pause your code for the specified number of milliseconds
  • learn how to turn off all the LED lights on the LED screen