# Help!

**URL:** <https://forums.sifive.com/t/help/1960>\
**Category:** HiFive1 Rev B\
**Created:** [January 11, 2019, 5:08am UTC](https://forums.sifive.com/t/help/1960 "2019-01-11T05:08:35Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![daniel](https://avatars.discourse-cdn.com/v4/letter/d/3ec8ea/32.png) [@daniel](https://forums.sifive.com/u/daniel)\
**Post date:** [January 11, 2019, 5:08am UTC](https://forums.sifive.com/t/help/1960/1 "2019-01-11T05:08:35Z")

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Can someone develop software serial library for hifive1?

I tried my best to write it, having taken arduino software serial library as reference.But couldn’t make it.  
I am not able to use uart devices due to that and i could not complete my project.

Awaiting your positive answers!

Thanks.