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CS Intro

About Introduction References Acknowledgements

Making

Introduction Unplugged Walkthrough Project Standards

Algorithms

Overview Unplugged Activity Project Standards

Variables

Overview Unplugged Activity Project Standards

Conditionals

Overview Unplugged Activity Project Standards

Iteration

Overview Unplugged Activity Project Standards

Mini-project

Review Activity Project Standards

Coordinates

Overview Unplugged Activity Project Standards

Booleans

Overview Unplugged Activity Project Standards

Binary

Overview Unplugged Activity Project Standards

Radio

Overview Unplugged Activity Project Standards

Arrays

Overview Unplugged Activity Project Standards

Final Project

Review Project Examples Standards

Blocks to JavaScript

Hello JavaScript Starter Blocks Writing Code Conditional Loops Writing Functions

Science experiments

Data collection

Overview Setup and procedure Resources

Population Traits

Overview Setup and procedure Resources

Temperature

Overview Setup and procedure Resources

Soil Moisture

Overview Setup and procedure Resources

Gravity, Motion and Waves

Overview Setup and procedure Resources

Body Electrical and Waves

Overview Setup and procedure Resources

Electricity

Overview Setup and procedure Resources

Rocket Acceleration

Overview Build Setup and procedure Resources

Logic Lab

Logic and Expressions Boolean Elements Logic Explorer Logic Gates Programmable Logic

Reference

Basic

show number show icon show leds show string clear screen forever pause show arrow show animation

Input

on button pressed on gesture on pin pressed button is pressed compass heading pin is pressed temperature acceleration light level rotation magnetic force running time set accelerometer range

Music

play tone ring tone rest beat tempo change tempo by set tempo

Led

plot unplot point toggle brightness set brightness stop animation plot bar graph enable

Radio

send number send value send string on received number on received string on received buffer received packet set group set transmit power set transmit serial number on data packet received write received packet to serial

Game

create sprite delete move turn if on edge bounce get set change is touching is touching edge add score score set score set life add life remove life start countdown game over pause resume

Images

create image create big image show image scroll image arrow image icon image arrow number

Pins

digital read pin digital write pin analog read pin analog write pin analog set period map on pulsed pulse duration pulse in servo write pin servo set pulse i2c read number i2c write number set pull analog pitch analog set pitch pin spi write spi Pins spi format spi frequency

Serial

write line write number write value write string read until read line read string on data received redirect redirect to usb write buffer read buffer

Control

in background reset wait micros on event raise event event timestamp event value

Bluetooth

About Pairing on bluetooth connected on bluetooth disconnected start accelerometer service start button service start io pin service start led service start magnetometer service start temperature service start uart service uart read until uart write string uart write number uart write value advertise url stop advertising advertise uid advertise-uid-buffer

Devices

tell camera to tell remote control to raise alert to on notified on gamepad button signal strength on signal strength changed

Extensions

Blocks

On Start

Loops

repeat for while for of

Logic

if Boolean

Variables

assign change var var

Math JavaScript blocks Custom blocks

Python

Calling Sequencing Variables Operators Statements Functions Classes

JavaScript

Calling Sequencing Variables Operators Statements Functions Types Classes Interfaces Generics

Types

Number String Boolean Array Function

Buffer

Using buffers Number format

Hardware

Data Analysis

Plotting with LEDs Viewing Data Writing Data Generating Data Analyzing Data Remote Data

Error codes Foil circuits MES events Pins Reactive Screen Serial Servo Simulator USB

WebUSB

WebUSB Troubleshoot

Flashing via HID (CMSIS-DAP)

Blocks Gallery

Miscellaneous

About Support Translate Sharing projects Offline support Save

Developers

Command Line Interface Visual Studio Code support Blocks Embed

Projects

Flashing Heart Smiley Buttons Love Meter Rock Paper Scissors Magic Button Trick Coin Flipper Salute! Hack Your Headphones Banana Keyboard Guitar Duct Tape Wallet Watch Soil Moisture Plant Watering Reaction Time States of Matter Mood Radio Tele-Potato Hot or Cold Voting Machine Infection Fireflies Rock Paper Scissors Teams Inchworm Milk Carton Robot Milk Monster RC Car Timing Gates Compass Telegraph Railway Crossing Karel Stopwatch Name Tag Step counter Servo calibrator Analog Pin Tester Light Level Meter Radio bridge Snap the dot Red light green light Name Badge

DocsJavaScriptStatements

Statements

The following JavaScript statements are supported for the micro:bit:

Variable declarations

const statement
let statement

Block-structured statements

{ } block statement
if-else conditional statement
while loop
do-while loop
for(;;) loop
switch statement (on numbers only)

Control-flow commands

break statement
continue statement
return statement
debugger statement for breakpoints

Labeling statements

label: statement
default statement

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