# Micro:bit frequency detection with ringtones

**URL:** <https://forum.makecode.com/t/micro-bit-frequency-detection-with-ringtones/40369>\
**Category:** micro:bit\
**Created:** [November 11, 2025, 4:02am UTC](https://forum.makecode.com/t/micro-bit-frequency-detection-with-ringtones/40369 "2025-11-11T04:02:58Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Don](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/don/32/17989_2.png) [@Don](https://forum.makecode.com/u/Don)\
**Post date:** [November 11, 2025, 7:07pm UTC](https://forum.makecode.com/t/micro-bit-frequency-detection-with-ringtones/40369/3 "2025-11-11T19:07:08Z")

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Start here [V2 microphone frequency detection](https://forum.makecode.com/t/v2-microphone-frequency-detection/17143)

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