<?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/"><channel><title>PDM example on the nRF52832</title><link>/nordic/nordic-blog/b/blog/posts/pdm-example-on-the-nrf52832</link><description>PDM stands for pulse density modulation.
PDM is a form of modulation used to represent an analog signal with a binary signal. In a PDM signal, specific amplitude values are not encoded into codewords of pulses of different weight as they would be in</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><item><title>RE: PDM example on the nRF52832</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/pdm-example-on-the-nrf52832</link><pubDate>Mon, 28 Dec 2020 11:14:19 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:afd3f4ba-70bc-4515-b206-b73c92f8585f</guid><dc:creator>Sunil@123</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;Hello Jimmy, How you set the frequency of PDM sensor ? Is there any function to define the frequency of PDM ???&lt;/p&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=945&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: PDM example on the nRF52832</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/pdm-example-on-the-nrf52832</link><pubDate>Fri, 31 Jul 2020 06:27:54 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:afd3f4ba-70bc-4515-b206-b73c92f8585f</guid><dc:creator>Yonghun Song</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;Hi, I&amp;#39;m Song&lt;br /&gt;I have a question for u&lt;br /&gt;&lt;br /&gt;Now we use fstorage modules.. Do u have any code about&amp;nbsp;store and read PCM in RAM???&lt;br /&gt;I have now solved PDM signal as a logic analyzer.&lt;br /&gt;Please help me.&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;thank you&lt;br /&gt;&lt;br /&gt;-Song&lt;/p&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=945&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: PDM example on the nRF52832</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/pdm-example-on-the-nrf52832</link><pubDate>Tue, 17 Dec 2019 02:56:44 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:afd3f4ba-70bc-4515-b206-b73c92f8585f</guid><dc:creator>Coder_hope</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;hi,your code is not complete,could you please upload your project ?thx&lt;/p&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=945&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: PDM example on the nRF52832</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/pdm-example-on-the-nrf52832</link><pubDate>Mon, 08 Apr 2019 12:49:14 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:afd3f4ba-70bc-4515-b206-b73c92f8585f</guid><dc:creator>Karl</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;Why do you recommend to disable BLE advertising while using the PDM interface?&lt;/p&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=945&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: PDM example on the nRF52832</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/pdm-example-on-the-nrf52832</link><pubDate>Mon, 18 Feb 2019 18:23:24 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:afd3f4ba-70bc-4515-b206-b73c92f8585f</guid><dc:creator>PhilS</dc:creator><slash:comments>1</slash:comments><description>&lt;p&gt;Hello Jimmy. I got Warning : #223-D : function &amp;quot;memcpy&amp;quot; declared implicitly, at line 85 in the drv_audio.c file. How could I modiy it?&lt;/p&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=945&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: PDM example on the nRF52832</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/pdm-example-on-the-nrf52832</link><pubDate>Fri, 15 Feb 2019 05:00:40 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:afd3f4ba-70bc-4515-b206-b73c92f8585f</guid><dc:creator>Jimmy Wong</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;&amp;nbsp;[embed:dc8ab71f-3b98-42d9-b0f6-e21e02a0f8e2:732332d9-aeba-4338-9035-03962f46d84b:type=c_cpp&amp;text=%0D%0A%0D%0Atypedef%20struct%0D%0A%7B%0D%0A%20%20%20%20%2F%2Fuint8_t%20buffer%5BCONFIG_AUDIO_FRAME_SIZE_BYTES%5D%3B%0D%0A%20%20%20%20uint16_t%20buffer%5BCONFIG_AUDIO_FRAME_SIZE_BYTES%5D%3B%20%2F%2F%20fix%20the%20bug%20%28poor%20audio%29%20because%20of%20uint8_t%20type%0D%0A%20%20%20%20int%20%20%20%20%20buffer_size%3B%0D%0A%20%20%20%20bool%20%20%20%20buffer_free_flag%3B%0D%0A%7D%20drv_audio_frame_t%3B%0D%0A%0D%0A]&lt;/p&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=945&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: PDM example on the nRF52832</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/pdm-example-on-the-nrf52832</link><pubDate>Thu, 05 Jul 2018 08:54:37 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:afd3f4ba-70bc-4515-b206-b73c92f8585f</guid><dc:creator>Raymondlb</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;Hi,I want to use UART&amp;nbsp; accept the data.Why is it always zero.&lt;/p&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=945&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: PDM example on the nRF52832</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/pdm-example-on-the-nrf52832</link><pubDate>Sun, 11 Mar 2018 02:50:21 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:afd3f4ba-70bc-4515-b206-b73c92f8585f</guid><dc:creator>miaojb</dc:creator><slash:comments>1</slash:comments><description>&lt;p&gt;I use nrf52832 to make a watch.&lt;/p&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=945&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: PDM example on the nRF52832</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/pdm-example-on-the-nrf52832</link><pubDate>Wed, 07 Feb 2018 17:29:05 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:afd3f4ba-70bc-4515-b206-b73c92f8585f</guid><dc:creator>sumit5ue</dc:creator><slash:comments>1</slash:comments><description>&lt;p&gt;do you recommend any mic ?&lt;/p&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=945&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item></channel></rss>