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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>How to change Characteristic UUID?</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/26084/how-to-change-characteristic-uuid</link><description>Hi. I&amp;#39;m using nRF51822 as Peripheral. 
 To init the service for example &amp;quot;NUS&amp;quot;, i have to call NUS_BASE_UUID as below..
#define NUS_BASE_UUID {{0x9E, 0xCA, 0xDC, 0x24, 0x0E, 0xE5, 0xA9, 0xE0, 0x93, 0xF3, 0xA3, 0xB5, 0x00, 0x00, 0x40, 0x6E}} /**&amp;lt; Used</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Fri, 20 Oct 2017 01:47:02 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/26084/how-to-change-characteristic-uuid" /><item><title>RE: How to change Characteristic UUID?</title><link>https://devzone.nordicsemi.com/thread/102798?ContentTypeID=1</link><pubDate>Fri, 20 Oct 2017 01:47:02 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:2d47be49-49fd-4a22-adbc-c072a105ea17</guid><dc:creator>roger.k</dc:creator><description>&lt;p&gt;Thanks a lot.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: How to change Characteristic UUID?</title><link>https://devzone.nordicsemi.com/thread/102797?ContentTypeID=1</link><pubDate>Thu, 19 Oct 2017 19:42:16 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:884debbe-451d-4ac7-b9f7-07d5104b08cc</guid><dc:creator>endnode</dc:creator><description>&lt;p&gt;Well &lt;code&gt;ble_uuid&lt;/code&gt; is type composed by two parts: 128-byte base index as provisioned to SoftDevice GATT stack and 16-bit &amp;quot;short&amp;quot; UUID. If you want to change base then simply point to the right index (note that after boot there is only one UUID base hard-coded to the SD = BT SIG default UUID base used for all BT SIG standardized GATT objects). See where and how &lt;code&gt;sd_ble_uuid_vs_add&lt;/code&gt; function is called in NUS example and how the index is stored as &lt;code&gt;p_nus-&amp;gt;uuid_type&lt;/code&gt; for later use. If you use the SDK example more or less unchanged then simply change UUID in &lt;code&gt;NUS_BASE_UUID&lt;/code&gt; constant and it should all work instantly.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>