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The Ubuntu Raspberry Pi wiki is the most reliable and up-to-date source for information about installing Ubuntu on the Raspberry Pi, but the Ubuntu image for Raspberry Pi linked to at the Ubuntu Raspberry Pi wiki is not an officially supported Ubuntu release. An Ubuntu 14.04 LTS (Trusty Tahr) image is available for the Raspberry Pi 2, which combines the ...


you are giving clock frequency as 12000(12K) , it should be 12000000(12M since board has 12M crystal). please make sure TX and RX pins are properly connected.

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