# micro:bit **URL:** https://forum.makecode.com/c/microbit/11.md?page=2 [Latest](https://forum.makecode.com/latest.md) · [Categories](https://forum.makecode.com/categories.md) · [Tags](https://forum.makecode.com/tags.md) **Page:** 3 --- ## [How to send messages between three virtual Micro:Bits?](https://forum.makecode.com/t/how-to-send-messages-between-three-virtual-micro-bits/16247)
**Author:** [@maj01](https://forum.makecode.com/u/maj01)\ **Replies:** 6\ **Last updated:** [December 7, 2025, 1:12am UTC](https://forum.makecode.com/t/how-to-send-messages-between-three-virtual-micro-bits/16247 "2025-12-07T01:12:04Z")
Hello, i want to send messages (using radio) between three micro:bit devices, but i don’t know how to add other micro:bit using only Makecode with no real micro:bit. i did open two projects at the same time and set the… --- ## [Run code in background/simultaneously](https://forum.makecode.com/t/run-code-in-background-simultaneously/40462)
**Author:** [@Speedyguy](https://forum.makecode.com/u/Speedyguy)\ **Replies:** 2\ **Last updated:** [November 17, 2025, 12:02am UTC](https://forum.makecode.com/t/run-code-in-background-simultaneously/40462 "2025-11-17T00:02:37Z")
This block (separately do) its from https://github.com/microsoft/arcade-timers is there a way to get it in micro:bit? i need it for my sound engine for chords can someone please help Sound engine (Working): https… --- ## [Micro:bit Breadboarding and Scratch](https://forum.makecode.com/t/micro-bit-breadboarding-and-scratch/40411)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\ **Replies:** 3\ **Last updated:** [November 13, 2025, 10:27pm UTC](https://forum.makecode.com/t/micro-bit-breadboarding-and-scratch/40411 "2025-11-13T22:27:55Z")
Hello everyone, I have used MakeCode and Micro:bit for several years; now I have a 9yr old student who is in a local coding club using Scratch. I see that Scratch supports Micro:bit with an extension and and .hex link in… --- ## [Serial write number not working?](https://forum.makecode.com/t/serial-write-number-not-working/40354)
**Author:** [@bfinio](https://forum.makecode.com/u/bfinio)\ **Replies:** 3\ **Last updated:** [November 11, 2025, 10:17pm UTC](https://forum.makecode.com/t/serial-write-number-not-working/40354 "2025-11-11T22:17:57Z")
I am trying to simply print out a sensor reading to the serial monitor with Makecode. I’ve found that putting serial write line(acceleration (mg) x) inside the forever loop works just fine. I click on “Show data Device… --- ## [Micro:bit frequency detection with ringtones](https://forum.makecode.com/t/micro-bit-frequency-detection-with-ringtones/40369)
**Author:** [@ribbyjon](https://forum.makecode.com/u/ribbyjon)\ **Replies:** 2\ **Last updated:** [November 11, 2025, 7:07pm UTC](https://forum.makecode.com/t/micro-bit-frequency-detection-with-ringtones/40369 "2025-11-11T19:07:08Z")
Hello there! I’m currently working on a project that requires the micro:bit to detect specific frequencies, using makecode as my primary platform. I’m honestly really lost with the entire thing and how it would work. I … --- ## [RPG-style (ish) radio game](https://forum.makecode.com/t/rpg-style-ish-radio-game/40269)
**Author:** [@wtc42012](https://forum.makecode.com/u/wtc42012)\ **Replies:** 1\ **Last updated:** [November 7, 2025, 7:26pm UTC](https://forum.makecode.com/t/rpg-style-ish-radio-game/40269 "2025-11-07T19:26:28Z")
This is my first attempt at making a fully working radio game. Requires two micro bit V2s. --- ## [Microsoft Block Editor](https://forum.makecode.com/t/microsoft-block-editor/40140)
**Author:** [@Xgipota](https://forum.makecode.com/u/Xgipota)\ **Replies:** 1\ **Last updated:** [October 31, 2025, 10:23pm UTC](https://forum.makecode.com/t/microsoft-block-editor/40140 "2025-10-31T22:23:52Z")
Can i get to old editor for micro:bit named Microsoft Block Editor? --- ## [Why is the physical makecode arcade console so expensive?](https://forum.makecode.com/t/why-is-the-physical-makecode-arcade-console-so-expensive/39550)
**Author:** [@Mekun](https://forum.makecode.com/u/Mekun)\ **Replies:** 4\ **Last updated:** [October 23, 2025, 4:36am UTC](https://forum.makecode.com/t/why-is-the-physical-makecode-arcade-console-so-expensive/39550 "2025-10-23T04:36:53Z")
How do u get it? Is it difficult? --- ## [Maker blocks for I2C](https://forum.makecode.com/t/maker-blocks-for-i2c/39501)
**Author:** [@Wolfman2004](https://forum.makecode.com/u/Wolfman2004)\ **Replies:** 4\ **Last updated:** [October 17, 2025, 4:49pm UTC](https://forum.makecode.com/t/maker-blocks-for-i2c/39501 "2025-10-17T16:49:40Z")
Can someone please help me learn how to setup I2C blocks for communications between Adafruit NRF52840 (or others) and other I2C units. At present I try to get a Adafruit PCF8575 Expander able to turn ON / OFF an LED, but… --- ## [Making the Play tone command](https://forum.makecode.com/t/making-the-play-tone-command/39638)
**Author:** [@CoenRijn](https://forum.makecode.com/u/CoenRijn)\ **Replies:** 5\ **Last updated:** [October 9, 2025, 6:20pm UTC](https://forum.makecode.com/t/making-the-play-tone-command/39638 "2025-10-09T18:20:04Z")
I did not understand the steps to follow for making the “play tone \[Tone C\] foe 1 beat “command like in the attached screenshot. Maybe I did not use the correct version of make code Thanks in advance for your help --- ## [Pls help with micro:bit coding](https://forum.makecode.com/t/pls-help-with-micro-bit-coding/39586)
**Author:** [@hordiib](https://forum.makecode.com/u/hordiib)\ **Replies:** 2\ **Last updated:** [October 2, 2025, 5:17pm UTC](https://forum.makecode.com/t/pls-help-with-micro-bit-coding/39586 "2025-10-02T17:17:23Z")
I want to make a race game. I have made a stereing weel and I want to make micro:bit (V2.21 I think) to be a Attached to it so when i turn my weel the car will tur. Then A button is gas, B button is break and A+B buttons… --- ## [Matrix lidar distance sensor v1.0 on Microbit MaQueen v3](https://forum.makecode.com/t/matrix-lidar-distance-sensor-v1-0-on-microbit-maqueen-v3/38034)
**Author:** [@microbit](https://forum.makecode.com/u/microbit)\ **Replies:** 3\ **Last updated:** [September 30, 2025, 3:51pm UTC](https://forum.makecode.com/t/matrix-lidar-distance-sensor-v1-0-on-microbit-maqueen-v3/38034 "2025-09-30T15:51:00Z")
Hello, I bought a Matrix lidar distance sensor v1.0 and a Microbit MaQueen v3 and installed them. I can get the Microbit MaQueen to follow a line with Maker code, but I don’t understand the Matrix lidar distance sensor a… --- ## [Tilemap extension for the OLED screen](https://forum.makecode.com/t/tilemap-extension-for-the-oled-screen/23177)
**Author:** [@urassari](https://forum.makecode.com/u/urassari)\ **Replies:** 7\ **Last updated:** [September 15, 2025, 5:16pm UTC](https://forum.makecode.com/t/tilemap-extension-for-the-oled-screen/23177 "2025-09-15T17:16:11Z")
here is the extension: (props to @MKleinSB for the oled extension) (i changed it a little, adding diffrent dimensions of images, and making the draw function have a black background instead of a transparent one) ill … --- ## [Error message with extension](https://forum.makecode.com/t/error-message-with-extension/38795)
**Author:** [@Zauberhut](https://forum.makecode.com/u/Zauberhut)\ **Replies:** 3\ **Last updated:** [August 21, 2025, 4:32pm UTC](https://forum.makecode.com/t/error-message-with-extension/38795 "2025-08-21T16:32:01Z")
We designed the extesion https://github.com/mint-n-pepper/Informatiktheater But sinde e few weeks, we get the error message “ TypeError: Expected type string but received type undefined. Did you forget to assign a varia… --- ## [Test iot module (pico) with Microbit](https://forum.makecode.com/t/test-iot-module-pico-with-microbit/38747)
**Author:** [@cuvner](https://forum.makecode.com/u/cuvner)\ **Replies:** 2\ **Last updated:** [August 21, 2025, 4:01am UTC](https://forum.makecode.com/t/test-iot-module-pico-with-microbit/38747 "2025-08-21T04:01:55Z")
I have been going around in circles trying to find a wifi module that I can connect to Adafruit IO with— all modules seem locked into their proprietary IoT platform. So I have created a wifi module using a pico-w-2 that… --- ## [reading Microsoft microbit arcade buttons in mu python](https://forum.makecode.com/t/reading-microsoft-microbit-arcade-buttons-in-mu-python/38551)
**Author:** [@Bri-Cypher](https://forum.makecode.com/u/Bri-Cypher)\ **Replies:** 0\ **Last updated:** [August 8, 2025, 2:46am UTC](https://forum.makecode.com/t/reading-microsoft-microbit-arcade-buttons-in-mu-python/38551 "2025-08-08T02:46:09Z")
Hi, I’m trying to get a arcade button to connect with mu python version 1.2.0 but i can get it to work Here is the code so far: from microbit import \* while True: if pin0.read\_digital(): display.show(Image.HAPPY) e… --- ## [Animatronic cardboard robot video instructions and plans](https://forum.makecode.com/t/animatronic-cardboard-robot-video-instructions-and-plans/38442)
**Author:** [@Don](https://forum.makecode.com/u/Don)\ **Replies:** 2\ **Last updated:** [August 6, 2025, 5:17pm UTC](https://forum.makecode.com/t/animatronic-cardboard-robot-video-instructions-and-plans/38442 "2025-08-06T17:17:30Z")
I have just finished a set of instructions to make an animatronic cardboard robot on YouTube. There are plans as a pdf to download. Instructions include building the robot and programming the robot. Ingredients: 4 servo… --- ## [How do I update a loaded extension?](https://forum.makecode.com/t/how-do-i-update-a-loaded-extension/38465)
**Author:** [@Don](https://forum.makecode.com/u/Don)\ **Replies:** 0\ **Last updated:** [August 5, 2025, 5:06pm UTC](https://forum.makecode.com/t/how-do-i-update-a-loaded-extension/38465 "2025-08-05T17:06:30Z")
I have found an answer which is to remove it and add it again. That doesn’t seem to work. I have gotten an update by clicking on the recycle button in JavaScript. But only the first time and second time with some struggl… --- ## [MakeCode blocks comments disappear](https://forum.makecode.com/t/makecode-blocks-comments-disappear/38464)
**Author:** [@Don](https://forum.makecode.com/u/Don)\ **Replies:** 0\ **Last updated:** [August 5, 2025, 5:06pm UTC](https://forum.makecode.com/t/makecode-blocks-comments-disappear/38464 "2025-08-05T17:06:06Z")
I have noticed that if I add a comment to the background in MakeCode blocks then I switch to JavaScript to fiddle with extensions, when I go back to blocks that comment is gone. It still exists in JavaScript, but is no l… --- ## [is there a tilemap extenstion for the Micro:Bit?](https://forum.makecode.com/t/is-there-a-tilemap-extenstion-for-the-micro-bit/38267)
**Author:** [@justaramdonperson1](https://forum.makecode.com/u/justaramdonperson1)\ **Replies:** 0\ **Last updated:** [July 24, 2025, 4:59pm UTC](https://forum.makecode.com/t/is-there-a-tilemap-extenstion-for-the-micro-bit/38267 "2025-07-24T16:59:38Z")
if you find one can you post it here pls that would be really helpfull :slight\_smile: --- ## [Micro:bit with Maqueen robot projects](https://forum.makecode.com/t/micro-bit-with-maqueen-robot-projects/32967)
**Author:** [@Don](https://forum.makecode.com/u/Don)\ **Replies:** 12\ **Last updated:** [July 22, 2025, 1:06pm UTC](https://forum.makecode.com/t/micro-bit-with-maqueen-robot-projects/32967 "2025-07-22T13:06:56Z")
I have created 9 projects for use with 1 or 2 micro:bits and a DFRobot Maqueen Plus V2 robot. I would think most of these can be done with other robots. https://youtube.com/playlist?list=PLuLlqVsAqKvBvRbcnJ6lGx7xkfKooHHL… --- ## [2025 Update is out!](https://forum.makecode.com/t/2025-update-is-out/38226)
**Author:** [@jacqueline.russell](https://forum.makecode.com/u/jacqueline.russell)\ **Replies:** 1\ **Last updated:** [July 22, 2025, 1:00pm UTC](https://forum.makecode.com/t/2025-update-is-out/38226 "2025-07-22T13:00:30Z")
Hello! We just released the 2025 MakeCode for the micro:bit update. Check out the blog post for more details, and let us know your thoughts. Thanks, Jacqueline --- ## [Encountered a 927 error🙁](https://forum.makecode.com/t/encountered-a-927-error/38221)
**Author:** [@ChenWangStar](https://forum.makecode.com/u/ChenWangStar)\ **Replies:** 1\ **Last updated:** [July 21, 2025, 11:59pm UTC](https://forum.makecode.com/t/encountered-a-927-error/38221 "2025-07-21T23:59:30Z")
When connecting the micro:bit, a crying face and the error code 927 were displayed on the LED matrix. I have tried the official firmware (V1, V2), but none of them worked. It still shows 927. I can be sure that my micro:… --- ## [Micro:bit with robotics chassis (Maqueen)](https://forum.makecode.com/t/micro-bit-with-robotics-chassis-maqueen/38148)
**Author:** [@VFerns](https://forum.makecode.com/u/VFerns)\ **Replies:** 2\ **Last updated:** [July 20, 2025, 2:46am UTC](https://forum.makecode.com/t/micro-bit-with-robotics-chassis-maqueen/38148 "2025-07-20T02:46:29Z")
micro:bit with robotics chassis-Maqueen. Is this Robotic kit user friendly? Is it cost effective? Does it come with lesson plans and teacher guides? What is the price? Can I get a discount on a bulk price? Where ca… --- ## [Video: Using AI to Transition to Text](https://forum.makecode.com/t/video-using-ai-to-transition-to-text/38147)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\ **Replies:** 3\ **Last updated:** [July 20, 2025, 2:27am UTC](https://forum.makecode.com/t/video-using-ai-to-transition-to-text/38147 "2025-07-20T02:27:10Z")
An idea to use Grok or ChatGPT to transition students from block coding to text by correcting AI errors (related to extension terms) in JavaScript. Motivation is to make a rover car run correctly. --- ## [2 questions: Moving multiple blocks in editor and micro:bit simulator keyboard control](https://forum.makecode.com/t/2-questions-moving-multiple-blocks-in-editor-and-micro-bit-simulator-keyboard-control/31389)
**Author:** [@Vegz78](https://forum.makecode.com/u/Vegz78)\ **Replies:** 16\ **Last updated:** [October 30, 2024, 7:50pm UTC](https://forum.makecode.com/t/2-questions-moving-multiple-blocks-in-editor-and-micro-bit-simulator-keyboard-control/31389 "2024-10-30T19:50:30Z")
Sorry for the 2 noob questions, which may be answered before, but I am unable to locate: Is it possible in the editors somehow to select and move multiple blocks of code around, like a marquee tool or holding down a k… --- ## [frogger microbit](https://forum.makecode.com/t/frogger-microbit/37997)
**Author:** [@Xc98](https://forum.makecode.com/u/Xc98)\ **Replies:** 0\ **Last updated:** [July 10, 2025, 9:32pm UTC](https://forum.makecode.com/t/frogger-microbit/37997 "2025-07-10T21:32:24Z")
frogger… on a microbit. Press A to go forward and B to go back. Traverse to the top of the screen to finish a level, granting a point. The Dimmly lit pixels are the platforms and anything unlit is water. Not that origin… --- ## [Working with arrays is so painful](https://forum.makecode.com/t/working-with-arrays-is-so-painful/37515)
**Author:** [@Don](https://forum.makecode.com/u/Don)\ **Replies:** 3\ **Last updated:** [June 27, 2025, 4:51am UTC](https://forum.makecode.com/t/working-with-arrays-is-so-painful/37515 "2025-06-27T04:51:43Z")
Arrays with blocks get painful when you put arrays into arrays into arrays. Basically and kind of complex data structure since all we have are arrays. First you get these errors: Because you dared to build the data … --- ## [Approved extension title origin in search UI](https://forum.makecode.com/t/approved-extension-title-origin-in-search-ui/37516)
**Author:** [@ssande-fwd](https://forum.makecode.com/u/ssande-fwd)\ **Replies:** 1\ **Last updated:** [June 24, 2025, 9:26pm UTC](https://forum.makecode.com/t/approved-extension-title-origin-in-search-ui/37516 "2025-06-24T21:26:49Z")
I learned after getting extensions approved that the title of the card in the search dialog is taken from the repo name, if I’m not mistaken. For example, climate-action-kits/pxt-fwd-edu shows up as fwd-edu in the title … --- ## [Video: bluetooth bug and fix ;MakeCode](https://forum.makecode.com/t/video-bluetooth-bug-and-fix-makecode/37477)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\ **Replies:** 1\ **Last updated:** [June 23, 2025, 3:58pm UTC](https://forum.makecode.com/t/video-bluetooth-bug-and-fix-makecode/37477 "2025-06-23T15:58:18Z")
Bluetooth services extension has a bug in settings which does not allow discovery of browser-based app to Micro:bit. See video for example and fix : https://youtu.be/HSDq1FF54Ck [Previous page](https://forum.makecode.com/c/microbit/11.md?page=1) [Next page](https://forum.makecode.com/c/microbit/11.md?page=3)