# micro:bit **URL:** https://forum.makecode.com/c/microbit/11.md [Latest](https://forum.makecode.com/latest.md) · [Categories](https://forum.makecode.com/categories.md) · [Tags](https://forum.makecode.com/tags.md) --- ## [About the micro:bit category](https://forum.makecode.com/t/about-the-micro-bit-category/723)
**Author:** [@peli](https://forum.makecode.com/u/peli)\ **Replies:** 0
Discussion regarding MakeCode for micro:bit. Please note, this forum is not actively monitored by the Micro:bit Educational Foundation. For dedicated support from the team, please contact us via support.micro:bit.org. --- ## [Micro:bit Accessibility Feedback](https://forum.makecode.com/t/micro-bit-accessibility-feedback/46033)
**Author:** [@jacqueline.russell](https://forum.makecode.com/u/jacqueline.russell)\ **Replies:** 0\ **Last updated:** [September 22, 2026, 9:17pm UTC](https://forum.makecode.com/t/micro-bit-accessibility-feedback/46033 "2026-09-22T21:17:37Z")
Calling educators, parents, and young learners who use assistive technology! The Micro:bit Educational Foundation, in collaboration with Google and Microsoft, has introduced new accessibility features to MakeCode for mic… --- ## [Neural Network](https://forum.makecode.com/t/neural-network/45964)
**Author:** [@BINARIUS\_X](https://forum.makecode.com/u/BINARIUS_X)\ **Replies:** 0\ **Last updated:** [September 19, 2026, 12:07am UTC](https://forum.makecode.com/t/neural-network/45964 "2026-09-19T00:07:18Z")
I’ve created a small neural network. x is the input, and y is the target value the network aims to reach. The variable “Loss MSE” represents the loss value. You can only view these values ​​in debug mode. The network c… --- ## [Example Gallery Submission: \[A Word Game\]](https://forum.makecode.com/t/example-gallery-submission-a-word-game/45799)
**Author:** [@zayeefreza](https://forum.makecode.com/u/zayeefreza)\ **Replies:** 1\ **Last updated:** [September 9, 2026, 6:43pm UTC](https://forum.makecode.com/t/example-gallery-submission-a-word-game/45799 "2026-09-09T18:43:09Z")
to the lovely makecode team: iwould love for my project to be on the example page in makecode for everyone to see heres a description of it: my game is a project where you can type a word on the micro:bit and then read i… --- ## [Bad apple](https://forum.makecode.com/t/bad-apple/41603)
**Author:** [@Xc98](https://forum.makecode.com/u/Xc98)\ **Replies:** 1\ **Last updated:** [September 9, 2026, 5:38pm UTC](https://forum.makecode.com/t/bad-apple/41603 "2026-09-09T17:38:12Z")
the full bad apple with 1ch audio and 10fps video running at the same time only for v2 --- ## [bitOS simple operate system for micro:bit](https://forum.makecode.com/t/bitos-simple-operate-system-for-micro-bit/43355)
**Author:** [@olmox001](https://forum.makecode.com/u/olmox001)\ **Replies:** 1\ **Last updated:** [September 9, 2026, 5:38pm UTC](https://forum.makecode.com/t/bitos-simple-operate-system-for-micro-bit/43355 "2026-09-09T17:38:03Z")
i made a simple os for microbit https://makecode.microbit.org/S46324-28161-02064-48157 https://github.com/olmox001/microbit-bitOS --- ## [Makecode Micro:bit Bluetooth APP Problem : Solution](https://forum.makecode.com/t/makecode-micro-bit-bluetooth-app-problem-solution/45691)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\ **Replies:** 1\ **Last updated:** [September 6, 2026, 11:43pm UTC](https://forum.makecode.com/t/makecode-micro-bit-bluetooth-app-problem-solution/45691 "2026-09-06T23:43:56Z")
Bluetooth upload of Makecode to BBC Micro:bit (have only tried V2 Micro:bit -MB) the upload fails when there is complex code already installed on the MB. In the classroom this would be frustrating due to time constraints… --- ## [Bit:plot – visualizing micro:bit science data](https://forum.makecode.com/t/bit-plot-visualizing-micro-bit-science-data/45188)
**Author:** [@DrPoc](https://forum.makecode.com/u/DrPoc)\ **Replies:** 6\ **Last updated:** [September 2, 2026, 1:23am UTC](https://forum.makecode.com/t/bit-plot-visualizing-micro-bit-science-data/45188 "2026-09-02T01:23:30Z")
Dear Colleagues! Let me share my latest project with you: bit:plot. The micro:bit (or any other microcontroller) is excellent for carrying out science measurements, but its built-in data-visualisation tools are limite… --- ## [Program doesn't show anything](https://forum.makecode.com/t/program-doesnt-show-anything/45587)
**Author:** [@Picklebasho](https://forum.makecode.com/u/Picklebasho)\ **Replies:** 2\ **Last updated:** [August 29, 2026, 5:16am UTC](https://forum.makecode.com/t/program-doesnt-show-anything/45587 "2026-08-29T05:16:13Z")
Project Problem: Refusal to show anything. See below screenshot (it’s running in the screenshot). This is my first time uploading to the forums, please lmk if there is something I should do better next time! --- ## [Improve this project:](https://forum.makecode.com/t/improve-this-project/45623)
**Author:** [@Picklebasho](https://forum.makecode.com/u/Picklebasho)\ **Replies:** 0\ **Last updated:** [August 27, 2026, 10:40pm UTC](https://forum.makecode.com/t/improve-this-project/45623 "2026-08-27T22:40:40Z")
Click me please Title. Have fun. --- ## [Wrong pin connection in Case 05 Water Level Alarming](https://forum.makecode.com/t/wrong-pin-connection-in-case-05-water-level-alarming/45561)
**Author:** [@Meii](https://forum.makecode.com/u/Meii)\ **Replies:** 1\ **Last updated:** [August 24, 2026, 11:18pm UTC](https://forum.makecode.com/t/wrong-pin-connection-in-case-05-water-level-alarming/45561 "2026-08-24T23:18:38Z")
I found a small problem in the Hardware connect part of Case 05 Water Level Alarming. In the picture, the water level sensor and relay are connected to the wrong pins. Wrong: Water level sensor → P1 Relay → P2 Corre… --- ## [Microbit Simulator](https://forum.makecode.com/t/microbit-simulator/45345)
**Author:** [@Bayu](https://forum.makecode.com/u/Bayu)\ **Replies:** 1\ **Last updated:** [August 20, 2026, 4:46pm UTC](https://forum.makecode.com/t/microbit-simulator/45345 "2026-08-20T16:46:43Z")
Hi everyone. I have a problem with Microbit simulator. It didn’t appear when I was using Microbit apps in IPad and also Safari, Can someone help me? Last year it appeared using Microbit apps in IPad --- ## [Help: Follow-up on Community Slack Request for ACEBOTT MakeCode Extension – Ticket #101042](https://forum.makecode.com/t/help-follow-up-on-community-slack-request-for-acebott-makecode-extension-ticket-101042/45392)
**Author:** [@ACEBOTT](https://forum.makecode.com/u/ACEBOTT)\ **Replies:** 1\ **Last updated:** [August 18, 2026, 2:26am UTC](https://forum.makecode.com/t/help-follow-up-on-community-slack-request-for-acebott-makecode-extension-ticket-101042/45392 "2026-08-18T02:26:36Z")
Hello MakeCode community, I’m the maintainer of the ACEBOTT MakeCode extension, and I’m looking for some guidance regarding our request to join the micro Community Slack. We submitted ticket #101042 so that our develop… --- ## [2of5 screen for microbit](https://forum.makecode.com/t/2of5-screen-for-microbit/32727)
**Author:** [@Phatiski](https://forum.makecode.com/u/Phatiski)\ **Replies:** 1\ **Last updated:** [August 9, 2026, 8:01pm UTC](https://forum.makecode.com/t/2of5-screen-for-microbit/32727 "2026-08-09T20:01:28Z")
Hello, this is Phat’s extension for Microbit. It’s called 2of5font This will be an extension for rendering numbers on the microbit screen in 2of5 mode. This is most commonly seen in basic one-dimensional barcodes such as… --- ## [Video: Simplified Micro:bit Rover: Homemade Chassis ](https://forum.makecode.com/t/video-simplified-micro-bit-rover-homemade-chassis/45294)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\ **Replies:** 0\ **Last updated:** [August 7, 2026, 2:21am UTC](https://forum.makecode.com/t/video-simplified-micro-bit-rover-homemade-chassis/45294 "2026-08-07T02:21:26Z")
Video of a concept of a simple and cheap 2-wheel bot rover, programmable with MakeCode where many motors can be added along with extra peripherals on the LEGO baseplate chassis. https://www.youtube.com/watch?v=PihX0eVEt… --- ## [Custom Configs And Running Code Before Main.ts/.blocks](https://forum.makecode.com/t/custom-configs-and-running-code-before-main-ts-blocks/44448)
**Author:** [@Keventor](https://forum.makecode.com/u/Keventor)\ **Replies:** 8\ **Last updated:** [July 15, 2026, 5:46pm UTC](https://forum.makecode.com/t/custom-configs-and-running-code-before-main-ts-blocks/44448 "2026-07-15T17:46:49Z")
Hello, I am trying to create a extension that may need to use the Microbit A/B buttons during startup depending on some settings and some runtime checks. The best way I found to do this is to ensure the setup code is ra… --- ## [Google sign-in silently redirects to home page (MakeCode micro:bit)](https://forum.makecode.com/t/google-sign-in-silently-redirects-to-home-page-makecode-micro-bit/44814)
**Author:** [@Gastub123](https://forum.makecode.com/u/Gastub123)\ **Replies:** 1\ **Last updated:** [July 7, 2026, 5:37pm UTC](https://forum.makecode.com/t/google-sign-in-silently-redirects-to-home-page-makecode-micro-bit/44814 "2026-07-07T17:37:07Z")
I’m unable to sign in to MakeCode micro:bit using my Google account. When I click “Sign in” and complete the Google login flow, I’m redirected back to the home page with no error message, and I remain signed out. Login … --- ## [Is it possible to use simulator extensions of another extension in own extension](https://forum.makecode.com/t/is-it-possible-to-use-simulator-extensions-of-another-extension-in-own-extension/44742)
**Author:** [@PasAlt](https://forum.makecode.com/u/PasAlt)\ **Replies:** 1\ **Last updated:** [July 2, 2026, 5:56pm UTC](https://forum.makecode.com/t/is-it-possible-to-use-simulator-extensions-of-another-extension-in-own-extension/44742 "2026-07-02T17:56:07Z")
I’m working on a new NeoPixel extension that supports the (easier) use of NeoPixel matrices. For that I forked the old NeoPixel extension from AdaFruit and Microsoft and extended and reworked it and handed it in publicat… --- ## [Good ressources for writing tutorials](https://forum.makecode.com/t/good-ressources-for-writing-tutorials/44721)
**Author:** [@PasAlt](https://forum.makecode.com/u/PasAlt)\ **Replies:** 4\ **Last updated:** [June 30, 2026, 5:22pm UTC](https://forum.makecode.com/t/good-ressources-for-writing-tutorials/44721 "2026-06-30T17:22:52Z")
Hi everyone! My name is Pascal. I recently started to extend the existing NeoPixels extension (https://github.com/PasAlt/pxt-neopixel-matrix-extension). I’m now trying to write some tutorials for it (https://github.com/P… --- ## [I was boared so asked chatgpt to make a messager on microbit and this is what it did](https://forum.makecode.com/t/i-was-boared-so-asked-chatgpt-to-make-a-messager-on-microbit-and-this-is-what-it-did/43687)
**Author:** [@cool.dudefncs](https://forum.makecode.com/u/cool.dudefncs)\ **Replies:** 6\ **Last updated:** [June 21, 2026, 5:12am UTC](https://forum.makecode.com/t/i-was-boared-so-asked-chatgpt-to-make-a-messager-on-microbit-and-this-is-what-it-did/43687 "2026-06-21T05:12:50Z")
https://makecode.microbit.org/\_aYpKewatWJDL try it --- ## [Troubleshooting/Securing Battery Pack For Digital Egg Drop](https://forum.makecode.com/t/troubleshooting-securing-battery-pack-for-digital-egg-drop/44441)
**Author:** [@MrEsports](https://forum.makecode.com/u/MrEsports)\ **Replies:** 6\ **Last updated:** [June 16, 2026, 2:40am UTC](https://forum.makecode.com/t/troubleshooting-securing-battery-pack-for-digital-egg-drop/44441 "2026-06-16T02:40:23Z")
I can’t be the first person to try this, but I’m trying to get a Microbit to act as a digital “egg” for an egg drop contest. I have linked the code here, and I think it works (at least it does most of the time), but I’m … --- ## [Custodis Seb the software V2.21 — Advanced Personal Assistant for micro:bit](https://forum.makecode.com/t/custodis-seb-the-software-v2-21-advanced-personal-assistant-for-micro-bit/44550)
**Author:** [@Claimy17](https://forum.makecode.com/u/Claimy17)\ **Replies:** 0\ **Last updated:** [June 15, 2026, 10:52pm UTC](https://forum.makecode.com/t/custodis-seb-the-software-v2-21-advanced-personal-assistant-for-micro-bit/44550 "2026-06-15T22:52:38Z")
Hi everyone! I want to share my massive interactive assistant project for micro:bit V2.21 and I called him Custodis Seb the software. ( what a creative name :smirking\_face: ) It has over 2,000 lines of code! How to st… --- ## [SERIAL output lossy?](https://forum.makecode.com/t/serial-output-lossy/44338)
**Author:** [@kriscs1](https://forum.makecode.com/u/kriscs1)\ **Replies:** 3\ **Last updated:** [June 13, 2026, 9:06pm UTC](https://forum.makecode.com/t/serial-output-lossy/44338 "2026-06-13T21:06:42Z")
Hi, I’m trying to build a data logger (Windows app) that reads serial output from a micro:bit via COM port and pipes it directly into Excel. The app works, but the data arriving from the micro:bit appears lossy. Is this … --- ## [Microbit Platformer](https://forum.makecode.com/t/microbit-platformer/33039)
**Author:** [@idk5674](https://forum.makecode.com/u/idk5674)\ **Replies:** 7\ **Last updated:** [June 8, 2026, 5:18pm UTC](https://forum.makecode.com/t/microbit-platformer/33039 "2026-06-08T17:18:20Z")
controls: a to jump b to move forward a+b to move backwards Known bugs: If you spam A you will keep jumping(idk how to fix) At 25 likes i will make a level maker --- ## [V2 microphone frequency detection](https://forum.makecode.com/t/v2-microphone-frequency-detection/17143)
**Author:** [@geab](https://forum.makecode.com/u/geab)\ **Replies:** 5\ **Last updated:** [June 6, 2026, 4:58am UTC](https://forum.makecode.com/t/v2-microphone-frequency-detection/17143 "2026-06-06T04:58:30Z")
Hi I am trying to use the microphone on V2 to detect a certain sound melody and control a stepper motor. I found this cool extension from Joshua that should do the job https://github.com/JoshuaAHill/dissertation-ui-exa… --- ## [Micro:bit multiple "serial on data recieved" don't work properly (only the last one works)](https://forum.makecode.com/t/micro-bit-multiple-serial-on-data-recieved-dont-work-properly-only-the-last-one-works/43793)
**Author:** [@Peteer](https://forum.makecode.com/u/Peteer)\ **Replies:** 6\ **Last updated:** [May 31, 2026, 7:55pm UTC](https://forum.makecode.com/t/micro-bit-multiple-serial-on-data-recieved-dont-work-properly-only-the-last-one-works/43793 "2026-05-31T19:55:20Z")
Unless I’m doing something wrong here - when I use multiple serial.onDataReceived only the last one actually works. The serial.readString() I was using clearly shows that both the # and $ sign get sent over serial and ge… --- ## [Block Breaker game](https://forum.makecode.com/t/block-breaker-game/40207)
**Author:** [@Cybercube](https://forum.makecode.com/u/Cybercube)\ **Replies:** 24\ **Last updated:** [May 21, 2026, 7:25pm UTC](https://forum.makecode.com/t/block-breaker-game/40207 "2026-05-21T19:25:14Z")
https://makecode.microbit.org/S40302-56457-00548-42548 After 1-4 hours, it’s here. Yup it actually works! How to play Click the a or b buttons to move the paddle. Then, when your done choosing, click the a and b butt… --- ## [Porque no funciona la pantalla lcd con microbit y extensión magician:bit](https://forum.makecode.com/t/porque-no-funciona-la-pantalla-lcd-con-microbit-y-extension-magician-bit/43918)
**Author:** [@antoniotecnologia](https://forum.makecode.com/u/antoniotecnologia)\ **Replies:** 2\ **Last updated:** [May 19, 2026, 2:17am UTC](https://forum.makecode.com/t/porque-no-funciona-la-pantalla-lcd-con-microbit-y-extension-magician-bit/43918 "2026-05-19T02:17:17Z")
He conectado la magicianbit con alimentación de 9 v, y las conexiones i2c, están bien. No se mandan datos a la lcd. --- ## [Elecfreaks Spinning Top V3 (Vibration+Sound Ultra Deluxe)](https://forum.makecode.com/t/elecfreaks-spinning-top-v3-vibration-sound-ultra-deluxe/44035)
**Author:** [@TBNR](https://forum.makecode.com/u/TBNR)\ **Replies:** 2\ **Last updated:** [May 18, 2026, 9:13pm UTC](https://forum.makecode.com/t/elecfreaks-spinning-top-v3-vibration-sound-ultra-deluxe/44035 "2026-05-18T21:13:59Z")
I have created a premium proggramm for the elecfreaks micro:bit wonder building kit’s spinning top project! I have attactched a link to the .hex if you wanna try it out! LINK- https://makecode.microbit.org/\_geRL6kh1fXxx … --- ## [DADABIT EXTENSION ISSUE](https://forum.makecode.com/t/dadabit-extension-issue/43847)
**Author:** [@mouheti](https://forum.makecode.com/u/mouheti)\ **Replies:** 0\ **Last updated:** [May 5, 2026, 5:36pm UTC](https://forum.makecode.com/t/dadabit-extension-issue/43847 "2026-05-05T17:36:57Z")
Hello everyone, could someone try this code? Apparently there’s a problem with the .dadabit extension. Thanks, it’s not working as expected. https://makecode.microbit.org/\_WT8X1d5ikYpL [Next page](https://forum.makecode.com/c/microbit/11.md?page=1)