# \[ANN\] Introducing BaremetalPi.jl - A package to access Raspberry Pi peripherals without external libraries

**URL:** <https://discourse.julialang.org/t/ann-introducing-baremetalpi-jl-a-package-to-access-raspberry-pi-peripherals-without-external-libraries/41417>\
**Category:** General Usage\
**Created:** [June 15, 2020, 12:08am UTC](https://discourse.julialang.org/t/ann-introducing-baremetalpi-jl-a-package-to-access-raspberry-pi-peripherals-without-external-libraries/41417 "2020-06-15T00:08:20Z")\
**Posts on this page:** 1\
**Showing post:** 24

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**Author:** ![dlakelan](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/dlakelan/32/8491_2.png) [@dlakelan](https://discourse.julialang.org/u/dlakelan)\
**Post date:** [June 16, 2020, 6:37pm UTC](https://discourse.julialang.org/t/ann-introducing-baremetalpi-jl-a-package-to-access-raspberry-pi-peripherals-without-external-libraries/41417/24 "2020-06-16T18:37:13Z")

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If the GC pauses all threads, then it can take tens of milliseconds, so that’s a big problem. I actually was thinking about this when I posted [this related question.](https://discourse.julialang.org/t/multithreaded-gc/41541)

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