pxt-ev3/docs/about.md

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About

Welcome to the Microsoft MakeCode editor for the @boardname@!

Programming: Blocks or JavaScript

You can program the @boardname@ using Blocks or JavaScript in your web browser:

input.buttonA.onEvent(ButtonEvent.Click, () => {
    light.showRing(`blue blue blue blue blue blue blue blue blue blue`)
})
input.buttonA.onEvent(ButtonEvent.Click, () => {
    light.showRing(`blue blue blue blue blue blue blue blue blue blue`)
})

The editor work in most modern browsers, work offline once loaded and do not require any installation.

Compile and Flash: Your Program!

When you have your code ready, you connect your @boardname@ to a computer via a USB cable then press the reset button so it appears as a mounted drive (named CPLAYBOOT).

Compilation to machine code from Blocks or JavaScript happens in the browser. You save the binary program to a .uf2 file, which you then copy to the CPLAYBOOT drive, which flashes the device with the new program.

Simulator: Test Your Code

You can run your code using the micro:bit simulator, all within the confines of a web browser. The simulator has support for the LED screen, buttons, as well as compass, accelerometer, and digital I/O pins.

loops.forever(() => {
    light.pixels.showAnimation(light.animation(LightAnimation.Rainbow), 1000)
})
light