# I2C works! (Devkit)

**URL:** <https://forum.sierrawireless.com/t/i2c-works-devkit/8036>\
**Category:** Open AT\
**Created:** [July 6, 2015, 3:26pm UTC](https://forum.sierrawireless.com/t/i2c-works-devkit/8036 "2015-07-06T15:26:14Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![floydqueen](https://avatars.discourse-cdn.com/v4/letter/f/47e85d/32.png) [@floydqueen](https://forum.sierrawireless.com/u/floydqueen)\
**Post date:** [July 6, 2015, 3:26pm UTC](https://forum.sierrawireless.com/t/i2c-works-devkit/8036/1 "2015-07-06T15:26:14Z")

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I am now using SL808XT to send I2C signal to keypad IC. I’m testing on the development Kit.  
Now I got the I2C working! I shift 1 bit right of the slave address. It works!

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**Author:** ![Rex\_alex](https://avatars.discourse-cdn.com/v4/letter/r/73ab20/32.png) [@Rex\_alex](https://forum.sierrawireless.com/u/Rex_alex)\
**Post date:** [July 8, 2015, 9:01am UTC](https://forum.sierrawireless.com/t/i2c-works-devkit/8036/2 "2015-07-08T09:01:47Z")

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Hi,  
Thank you for the info 🙂

Thanks,  
Alex

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**Author:** ![awneil](https://avatars.discourse-cdn.com/v4/letter/a/49beb7/32.png) [@awneil](https://forum.sierrawireless.com/u/awneil)\
**Post date:** [July 8, 2015, 10:23am UTC](https://forum.sierrawireless.com/t/i2c-works-devkit/8036/3 "2015-07-08T10:23:43Z")

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Someone else found the same: [https://forum.sierrawireless.com/t/failure-to-configure-i2c-subscription/8027/5](https://forum.sierrawireless.com/t/failure-to-configure-i2c-subscription/8027/5)

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**Author:** ![floydqueen](https://avatars.discourse-cdn.com/v4/letter/f/47e85d/32.png) [@floydqueen](https://forum.sierrawireless.com/u/floydqueen)\
**Post date:** [July 8, 2015, 1:49pm UTC](https://forum.sierrawireless.com/t/i2c-works-devkit/8036/4 "2015-07-08T13:49:04Z")

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Haha~ we are in the same team! thanks!

> [@awneil](#):
>
> Someone else found the same: [Failure to configure I2C subscription - #5 by awneil](https://forum.sierrawireless.com/t/failure-to-configure-i2c-subscription/8027/5)

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**Author:** ![awneil](https://avatars.discourse-cdn.com/v4/letter/a/49beb7/32.png) [@awneil](https://forum.sierrawireless.com/u/awneil)\
**Post date:** [July 8, 2015, 3:24pm UTC](https://forum.sierrawireless.com/t/i2c-works-devkit/8036/5 "2015-07-08T15:24:38Z")

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> [@floydqueen](#):
>
> we are in the same team!

I did wonder … 😃