counter lesson

Learn how to create a counter with with on button pressed.

Topic

Variables

Quick Links

Prior learning/place of lesson in scheme of work

Learn how to creating a variable to keep track of the current count. We will be learning how to create a counter app using a variable as well as simple commands, such as on button pressed, and show number.

Documentation

input.compassHeading()
basic.forever(() => {})
let x = 0
if (true) {}
basic.showString("Hello!")
basic.showLeds(`
    . . . . .
    . . . . .
    . . # . .
    . . . . .
    . . . . .
    `)

variable: read more...
arithmetic operators: read more...
on button pressed : read more...
show number : read more...

Objectives

learn how to create a variable as a place where you can store data so that you can use it later in your code, accessible across all functions, and in nested code blocks
learn how arithmetic operators operate on numbers and return a number
learn how to run code when an input button is pressed
learn how to show a number on the LED screen, one digit at a time (scrolling from left to right)

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