# micro:bit extensions **URL:** https://forum.makecode.com/c/microbit/microbit-extensions/21.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 --- ## [Testing an extension](https://forum.makecode.com/t/testing-an-extension/5867)
**Author:** [@mrRSquared](https://forum.makecode.com/u/mrRSquared)\ **Replies:** 2\ **Last updated:** [February 23, 2021, 7:46pm UTC](https://forum.makecode.com/t/testing-an-extension/5867 "2021-02-23T19:46:40Z")
Hello, I have come a long way with the project thanks in a large part to this and the Slack community. Once I get the piece fine-tuned, it seems I will need to run some tests on it in order to keep it up-to-date with th… --- ## [Help understanding "local build" options](https://forum.makecode.com/t/help-understanding-local-build-options/6130)
**Author:** [@bsiever](https://forum.makecode.com/u/bsiever)\ **Replies:** 1\ **Last updated:** [February 15, 2021, 1:33am UTC](https://forum.makecode.com/t/help-understanding-local-build-options/6130 "2021-02-15T01:33:38Z")
Hi, I’m working on some an extension that requires compiling C++. I was wondering if there are any tips for the easiest development environment? Related to that, I’m also having a hard time getting a sense of all the … --- ## [Event Handler Blocks](https://forum.makecode.com/t/event-handler-blocks/5633)
**Author:** [@mrRSquared](https://forum.makecode.com/u/mrRSquared)\ **Replies:** 7\ **Last updated:** [February 6, 2021, 10:22pm UTC](https://forum.makecode.com/t/event-handler-blocks/5633 "2021-02-06T22:22:44Z")
Hello, I am an FRC mentor, and we just purchased the Freenove micro:bit mini rover. It is a wonderful device. I am trying to figure out if it is feasible to create a custom interface to teach students how to program usi… --- ## [Overlapping in menu - layout problem in "Blocks" mode for extension](https://forum.makecode.com/t/overlapping-in-menu-layout-problem-in-blocks-mode-for-extension/5440)
**Author:** [@DannyVarod](https://forum.makecode.com/u/DannyVarod)\ **Replies:** 6\ **Last updated:** [January 16, 2021, 4:50am UTC](https://forum.makecode.com/t/overlapping-in-menu-layout-problem-in-blocks-mode-for-extension/5440 "2021-01-16T04:50:38Z")
After adding more functions to my extension, the “Blocks”-mode menu shows all the functions one above the other, leaving the menu unusable. In the Javascript and Python modes this does not occur. I have attached images… --- ## [uS Timer](https://forum.makecode.com/t/us-timer/4448)
**Author:** [@bsiever](https://forum.makecode.com/u/bsiever)\ **Replies:** 1\ **Last updated:** [November 16, 2020, 6:15pm UTC](https://forum.makecode.com/t/us-timer/4448 "2020-11-16T18:15:54Z")
Hi, My extension (https://github.com/bsiever/microbit-pxt-timeanddate) uses the underlying Mbed us\_ticker\_read() to track elapsed time. Is system\_timer\_current\_time\_us() the equivalent in CODAL? Is that sufficient f… [Previous page](https://forum.makecode.com/c/microbit/microbit-extensions/21.md?page=1)