# MangOH yellow CAN Iot Bus not working

**URL:** <https://mangoh.discourse.group/t/mangoh-yellow-can-iot-bus-not-working/5245>\
**Category:** mangOH Yellow\
**Created:** [September 18, 2020, 1:47pm UTC](https://mangoh.discourse.group/t/mangoh-yellow-can-iot-bus-not-working/5245 "2020-09-18T13:47:27Z")\
**Posts on this page:** 1\
**Showing post:** 20

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**Author:** ![jyijyi](https://sea2.discourse-cdn.com/flex016/user_avatar/mangoh.discourse.group/jyijyi/32/997_2.png) [@jyijyi](https://mangoh.discourse.group/u/jyijyi)\
**Post date:** [September 24, 2020, 10:35am UTC](https://mangoh.discourse.group/t/mangoh-yellow-can-iot-bus-not-working/5245/20 "2020-09-24T10:35:44Z")

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There are steps here

> **[GitHub - mangOH/mangOH: Primary mangOH git repository](https://github.com/mangOH/mangOH)**
>
> Primary mangOH git repository. Contribute to mangOH/mangOH development by creating an account on GitHub.

Here is an example on how to build for mango red

> [@Couldn't find file 'io.api'](https://mangoh.discourse.group/t/couldnt-find-file-io-api/4495/2):
>
> I don’t see problem with the R13.3 components: [https://source.sierrawireless.com/resources/airprime/software/wp76xx/wp76xx-firmware-release-13,-d-,1-components/#sthash.13BE7Elj.dpbs](https://source.sierrawireless.com/resources/airprime/software/wp76xx/wp76xx-firmware-release-13,-d-,1-components/#sthash.13BE7Elj.dpbs) 1.Install the toolchain by sh poky-swi-ext-glibc-x86\_64-meta-toolchain-swi-armv7a-neon-toolchain-swi-SWI9X07Y\_02.28.03.05.sh Build the legato framework cd /home/owner/legato/packages/legato.framework.19.2.0.wp76xx-201906171244/resources/legato make clean . bin/configlegatoenv make wp76xx source ./build/wp7…

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