flashing heart blocks lesson

Learn how to create LED images with a global variable.

Topic

Pause

Quick links

• activity
• quiz
• quiz answers
• challenges

  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