# micro:bit extensions **URL:** https://forum.makecode.com/c/microbit/microbit-extensions/21.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 extensions category](https://forum.makecode.com/t/about-the-micro-bit-extensions-category/4120)
**Author:** [@peli](https://forum.makecode.com/u/peli)\ **Replies:** 0
This category is for people writing extension for the BBC micro:bit using MakeCode… https://makecode.microbit.org . --- ## [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. --- ## [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… --- ## [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… --- ## [Can someone put my new extension in the MakeCode Arcade extension repository in github?](https://forum.makecode.com/t/can-someone-put-my-new-extension-in-the-makecode-arcade-extension-repository-in-github/43690)
**Author:** [@shalev2015](https://forum.makecode.com/u/shalev2015)\ **Replies:** 2\ **Last updated:** [April 29, 2026, 11:26pm UTC](https://forum.makecode.com/t/can-someone-put-my-new-extension-in-the-makecode-arcade-extension-repository-in-github/43690 "2026-04-29T23:26:08Z")
--- ## [Microbit Robotics Kits](https://forum.makecode.com/t/microbit-robotics-kits/41645)
**Author:** [@Promigo](https://forum.makecode.com/u/Promigo)\ **Replies:** 1\ **Last updated:** [January 22, 2026, 9:22pm UTC](https://forum.makecode.com/t/microbit-robotics-kits/41645 "2026-01-22T21:22:51Z")
Please how can I get the Microbit Robotics Kit, am in nigeria? --- ## [Double bluetooth connection across one microbit](https://forum.makecode.com/t/double-bluetooth-connection-across-one-microbit/41590)
**Author:** [@ImAlekzzz](https://forum.makecode.com/u/ImAlekzzz)\ **Replies:** 2\ **Last updated:** [January 20, 2026, 1:49am UTC](https://forum.makecode.com/t/double-bluetooth-connection-across-one-microbit/41590 "2026-01-20T01:49:26Z")
I want to make an microbit extension that i can make it work like 2 bluetooth devices. An keyboard (already got that part), and another part that is able to communicate with the computer about microphone and webcam statu… --- ## [Add icons to blocks in a MakeCode extension](https://forum.makecode.com/t/add-icons-to-blocks-in-a-makecode-extension/40951)
**Author:** [@1simone0](https://forum.makecode.com/u/1simone0)\ **Replies:** 2\ **Last updated:** [December 25, 2025, 3:51pm UTC](https://forum.makecode.com/t/add-icons-to-blocks-in-a-makecode-extension/40951 "2025-12-25T15:51:44Z")
Hi everyone, I’m new on developing extension for micro:bit on MakeCode. I was wondering if it is possible to add an icon to a custom block just to have a graphic reference. I couldn’t find naything about that on forum… --- ## [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… --- ## [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… --- ## [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 … --- ## [Can you send voice recordings to telegram or any texting software using micro bit](https://forum.makecode.com/t/can-you-send-voice-recordings-to-telegram-or-any-texting-software-using-micro-bit/30222)
**Author:** [@39text\_guy](https://forum.makecode.com/u/39text_guy)\ **Replies:** 4\ **Last updated:** [May 4, 2025, 7:23pm UTC](https://forum.makecode.com/t/can-you-send-voice-recordings-to-telegram-or-any-texting-software-using-micro-bit/30222 "2025-05-04T19:23:27Z")
is this possible? --- ## [Getting an :( 022 on microbit, while using the hummingbird extention](https://forum.makecode.com/t/getting-an-022-on-microbit-while-using-the-hummingbird-extention/36263)
**Author:** [@Luke51632-OFFICAL](https://forum.makecode.com/u/Luke51632-OFFICAL)\ **Replies:** 2\ **Last updated:** [May 1, 2025, 4:03pm UTC](https://forum.makecode.com/t/getting-an-022-on-microbit-while-using-the-hummingbird-extention/36263 "2025-05-01T16:03:21Z")
My code for a virtral pet keeps crashing with :frowning: 022 on every minute … If anyone wants to know my extentions, they are Hummingbird Microphone servos Help will be nice, Thanks --- ## [Servo SG90 Spin without control](https://forum.makecode.com/t/servo-sg90-spin-without-control/36109)
**Author:** [@JGerard1986](https://forum.makecode.com/u/JGerard1986)\ **Replies:** 7\ **Last updated:** [April 28, 2025, 3:20am UTC](https://forum.makecode.com/t/servo-sg90-spin-without-control/36109 "2025-04-28T03:20:20Z")
I am trying to connect my Micro:bit to a servo SG90. I am using a IObit expansion. Problem: Microbit spin without control. I am not finding a way to make work the servo as expected. Important notes: The shared code … --- ## [Please help to debug - 360 positional Servo (default servo extension)](https://forum.makecode.com/t/please-help-to-debug-360-positional-servo-default-servo-extension/34913)
**Author:** [@ivandotsg](https://forum.makecode.com/u/ivandotsg)\ **Replies:** 2\ **Last updated:** [March 31, 2025, 6:02pm UTC](https://forum.makecode.com/t/please-help-to-debug-360-positional-servo-default-servo-extension/34913 "2025-03-31T18:02:53Z")
Hi, hoping that someone here can illuminate the way for this. I’m trying to get makecode to be able to programme my 360 positional servo (geekServo grey) precisely, but I’m hitting a wall here. ^ I can’t get the serv… --- ## [Microbit as Computer Mouse (HID/Physical Computing)](https://forum.makecode.com/t/microbit-as-computer-mouse-hid-physical-computing/14213)
**Author:** [@knope](https://forum.makecode.com/u/knope)\ **Replies:** 5\ **Last updated:** [March 12, 2025, 1:44am UTC](https://forum.makecode.com/t/microbit-as-computer-mouse-hid-physical-computing/14213 "2025-03-12T01:44:24Z")
Hello, I’m wondering if anyone can help me out. I’m trying to make a microbit v2 become a computer mouse/control a computer mouse on an iPad. I’m following this tutorial: https://bsiever.github.io/microbit-pxt-blehid/ … --- ## [Estou criando um drone, Mas preciso de ajuda](https://forum.makecode.com/t/estou-criando-um-drone-mas-preciso-de-ajuda/34361)
**Author:** [@eliasempresas](https://forum.makecode.com/u/eliasempresas)\ **Replies:** 4\ **Last updated:** [March 8, 2025, 1:16am UTC](https://forum.makecode.com/t/estou-criando-um-drone-mas-preciso-de-ajuda/34361 "2025-03-08T01:16:12Z")
Estou criando um drone, Mas preciso de ajuda Tem alguma forma que um projeto makecode de micro:bit “CONTROLE” envie as cordenadas (GPS) para outra placa micro:bit ?¿? --- ## [wukong board - does anyone know the byte "maps" for the device](https://forum.makecode.com/t/wukong-board-does-anyone-know-the-byte-maps-for-the-device/33573)
**Author:** [@cal8](https://forum.makecode.com/u/cal8)\ **Replies:** 0\ **Last updated:** [February 3, 2025, 7:04pm UTC](https://forum.makecode.com/t/wukong-board-does-anyone-know-the-byte-maps-for-the-device/33573 "2025-02-03T19:04:03Z")
Hi i bought the wukong breakout board i’m looking at the code behind \[pxt-wukong here\](https://github.com/zhouF96/pxt-longanbit/blob/4744e5758f5ee9052fc9652ce0852fbea85b0e2e/main.ts#L343\] does anyone know all the i2cr… --- ## [RFID scanner ](https://forum.makecode.com/t/rfid-scanner/29643)
**Author:** [@Henk](https://forum.makecode.com/u/Henk)\ **Replies:** 0\ **Last updated:** [July 10, 2024, 4:15pm UTC](https://forum.makecode.com/t/rfid-scanner/29643 "2024-07-10T16:15:04Z")
I’m trying to connect RFID-RC522 device to a microbit and using the available extension. The RFID module (keyestudio) has the miso/mosi/sck/nss pins. So far trying several boards no succes …… Anybody got it working ? --- ## [Tutorial Help - Please check your internet connection.](https://forum.makecode.com/t/tutorial-help-please-check-your-internet-connection/28059)
**Author:** [@cpsbergeron](https://forum.makecode.com/u/cpsbergeron)\ **Replies:** 0\ **Last updated:** [April 3, 2024, 3:00am UTC](https://forum.makecode.com/t/tutorial-help-please-check-your-internet-connection/28059 "2024-04-03T03:00:23Z")
Hi there ! I wished to use the datalogger extension but I can’t even run my program. Here is the code. (sorry french speaker / writter here) Eclipse - Données @showdialog Programme le micro:bit pour qu’il recueille des… --- ## [20x4 LCD extension?](https://forum.makecode.com/t/20x4-lcd-extension/27640)
**Author:** [@Don23805](https://forum.makecode.com/u/Don23805)\ **Replies:** 1\ **Last updated:** [March 13, 2024, 12:19am UTC](https://forum.makecode.com/t/20x4-lcd-extension/27640 "2024-03-13T00:19:44Z")
I’ve found makecode extensions for 16x2 LCD displays, but none for the 20x4. Anyone know of one? TIA Don --- ## [Editor extension](https://forum.makecode.com/t/editor-extension/27384)
**Author:** [@pythom](https://forum.makecode.com/u/pythom)\ **Replies:** 0\ **Last updated:** [February 29, 2024, 5:51pm UTC](https://forum.makecode.com/t/editor-extension/27384 "2024-02-29T17:51:11Z")
Hi, I’m making an extension where you could configure blocks using a button in the namespace, but when I click the button I get a Sorry, this extensionis not allowed error. file pxt.json: { "name": "imageio", … --- ## [error 090](https://forum.makecode.com/t/error-090/26298)
**Author:** [@Plz\_Help\_Me](https://forum.makecode.com/u/Plz_Help_Me)\ **Replies:** 0\ **Last updated:** [January 24, 2024, 6:15am UTC](https://forum.makecode.com/t/error-090/26298 "2024-01-24T06:15:03Z")
i’m trying to make servos move with my hummingbird-bit by clicking a or b with my micro-bit but all i get back is an error 090 message. here is the code i made. Thank you in advance for reading and helping Btw i works wh… --- ## [Problem with LCD 1IN8 Display - Program too big](https://forum.makecode.com/t/problem-with-lcd-1in8-display-program-too-big/18685)
**Author:** [@SebDan](https://forum.makecode.com/u/SebDan)\ **Replies:** 5\ **Last updated:** [January 5, 2024, 7:11pm UTC](https://forum.makecode.com/t/problem-with-lcd-1in8-display-program-too-big/18685 "2024-01-05T19:11:32Z")
Hello, i am trying to use this LCD 1IN8 Display (from WAVESHARE onlinestore) there is an extension for de Makecode online microbit but when i try to just display some numbers and circles i get a “Program too big” error … --- ## [Newbie help needed with basic breadboard](https://forum.makecode.com/t/newbie-help-needed-with-basic-breadboard/25614)
**Author:** [@nickholl](https://forum.makecode.com/u/nickholl)\ **Replies:** 3\ **Last updated:** [January 5, 2024, 7:11pm UTC](https://forum.makecode.com/t/newbie-help-needed-with-basic-breadboard/25614 "2024-01-05T19:11:27Z")
Hi Total newbie here :). I bought a microbit for my 9yo son and am now in the situation where I need to help him and know next to nothing about electronics :man\_facepalming: We’ve got this set (ELECFREAKS microbit Sta… --- ## [Serial write garbled on Terminal program but OK on in-built Serial viewer](https://forum.makecode.com/t/serial-write-garbled-on-terminal-program-but-ok-on-in-built-serial-viewer/24541)
**Author:** [@pmulvey](https://forum.makecode.com/u/pmulvey)\ **Replies:** 7\ **Last updated:** [November 30, 2023, 5:14pm UTC](https://forum.makecode.com/t/serial-write-garbled-on-terminal-program-but-ok-on-in-built-serial-viewer/24541 "2023-11-30T17:14:26Z")
My Serial writes are garbled when sent out to TeraTerm terminal program but Ok when viewed on the Serial monitor. Characters get dropped. This is quite useless as I want my class to receive the data in Python on the PC. … --- ## [Rename/Delete option for kinds in micro:bit editor](https://forum.makecode.com/t/rename-delete-option-for-kinds-in-micro-bit-editor/24571)
**Author:** [@romanrguez192](https://forum.makecode.com/u/romanrguez192)\ **Replies:** 1\ **Last updated:** [November 27, 2023, 6:38pm UTC](https://forum.makecode.com/t/rename-delete-option-for-kinds-in-micro-bit-editor/24571 "2023-11-27T18:38:35Z")
I recently discovered the concept of Kinds in the Arcade editor, which seem very similar to dynamic Enums, and I noticed they have the nice option of renaming and deleting the user-created Kinds. I tried to use the same … [Next page](https://forum.makecode.com/c/microbit/microbit-extensions/21.md?page=1)