https://devzone.nordicsemi.com/f/nordic-q-a/55980/nrf52840-i2s-digital-mems-micHello All. I Need help ... first time use &quot;nRF52840&quot; Goal of this project is &quot;record voice with digital mems mic and play that voice using speaker with i2s&quot; First i use SDK52 Ver 16.04 and Find some example to play sound first -&gt; Success toen-USTelligent Community 13Mon, 06 Jan 2020 16:20:39 GMThttps://devzone.nordicsemi.com/thread/227757?ContentTypeID=1Mon, 06 Jan 2020 16:20:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c8345834-6625-4e01-9545-30ee219cd5b1Stian R&#248;ed Hafskjold<p>Hi, you should use the I2S driver instead of writing to the registers directly. There&#39;s an example in the SDK that shows this: <a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v16.0.0/i2s_example_loopback.html?cp=7_1_4_6_15">https://infocenter.nordicsemi.com/topic/sdk_nrf5_v16.0.0/i2s_example_loopback.html?cp=7_1_4_6_15</a></p><div style="clear:both;"></div>