# Questions about I2C... Mainly, how do I use it?

**URL:** <https://forums.sifive.com/t/questions-about-i2c-mainly-how-do-i-use-it/2433>\
**Category:** HiFive1 Rev B\
**Created:** [June 3, 2019, 7:50pm UTC](https://forums.sifive.com/t/questions-about-i2c-mainly-how-do-i-use-it/2433 "2019-06-03T19:50:07Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![profroyk](https://avatars.discourse-cdn.com/v4/letter/p/f07891/32.png) [@profroyk](https://forums.sifive.com/u/profroyk)\
**Post date:** [August 24, 2019, 10:28pm UTC](https://forums.sifive.com/t/questions-about-i2c-mainly-how-do-i-use-it/2433/14 "2019-08-24T22:28:27Z")

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When will I2C be supported in the Metal library for the HiFive Rel B?

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