Documentation
About FAQ Projects GitHub Support
Courses
About Introduction References Acknowledgements
Introduction Unplugged Walkthrough Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Review Activity Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Review Project Examples Standards
Hello JavaScript Starter Blocks Writing Code Conditional Loops Writing Functions
Overview Setup and procedure Resources
Overview Setup and procedure Resources
Overview Setup and procedure Resources
Overview Setup and procedure Resources
Overview Setup and procedure Resources
Overview Setup and procedure Resources
Overview Setup and procedure Resources
Overview Build Setup and procedure Resources
Reference
show number show icon show leds show string clear screen forever pause show arrow show animation
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
play tone ring tone rest beat tempo change tempo by set tempo
plot unplot point toggle brightness set brightness stop animation plot bar graph enable
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
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
create image create big image show image scroll image arrow image icon image arrow number
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
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
in background reset wait micros on event raise event event timestamp event value
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
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
repeat for while for of
if Boolean
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
Using buffers Number format
Hardware
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 Troubleshoot
Flashing via HID (CMSIS-DAP)
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
Documentation
About FAQ Projects GitHub Support
Courses
About Introduction References Acknowledgements
Introduction Unplugged Walkthrough Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Review Activity Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Overview Unplugged Activity Project Standards
Review Project Examples Standards
Hello JavaScript Starter Blocks Writing Code Conditional Loops Writing Functions
Overview Setup and procedure Resources
Overview Setup and procedure Resources
Overview Setup and procedure Resources
Overview Setup and procedure Resources
Overview Setup and procedure Resources
Overview Setup and procedure Resources
Overview Setup and procedure Resources
Overview Build Setup and procedure Resources
Reference
show number show icon show leds show string clear screen forever pause show arrow show animation
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
play tone ring tone rest beat tempo change tempo by set tempo
plot unplot point toggle brightness set brightness stop animation plot bar graph enable
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
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
create image create big image show image scroll image arrow image icon image arrow number
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
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
in background reset wait micros on event raise event event timestamp event value
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
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
repeat for while for of
if Boolean
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
Using buffers Number format
Hardware
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 Troubleshoot
Flashing via HID (CMSIS-DAP)
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

Statements

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

Variable declarations

Block-structured statements

Control-flow commands

Labeling statements

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