# R307 fingerprint sensor

**URL:** <https://forum.makecode.com/t/r307-fingerprint-sensor/2056>\
**Category:** Show & Tell\
**Created:** [May 12, 2020, 3:19pm UTC](https://forum.makecode.com/t/r307-fingerprint-sensor/2056 "2020-05-12T15:19:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Jesua](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/jesua/32/6060_2.png) [@Jesua](https://forum.makecode.com/u/Jesua)\
**Post date:** [May 12, 2020, 3:19pm UTC](https://forum.makecode.com/t/r307-fingerprint-sensor/2056/1 "2020-05-12T15:19:19Z")

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Hi guys,

Im looking for someone who could help me to build an extension for r307 fingerprint sensor to be used in makecode bbc microbit.

Thank you in advance 😊

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**Author:** ![AstroP](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/astrop/32/3761_2.png) [@AstroP](https://forum.makecode.com/u/AstroP)\
**Post date:** [March 18, 2021, 3:24pm UTC](https://forum.makecode.com/t/r307-fingerprint-sensor/2056/3 "2021-03-18T15:24:36Z")

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Hi, you would probably need to use a seperate ir board to be able to use a fingerprint sensor due to the ARM proccessor limitations.