https://devzone.nordicsemi.com/f/nordic-q-a/119453/discuss-on-automatic-sending-with-time-interval-control-based-on-nrf52840I have figured out a way to realize IR communication,it is same with the way to drive WS2812 with SPI. [ I can use PWM peripheral and should use it,for I need to change the duty cycle sometime .I will update later. Can&#39;t use it : can&#39;t change the timeen-USTelligent Community 13Tue, 04 Mar 2025 03:28:01 GMThttps://devzone.nordicsemi.com/thread/525626?ContentTypeID=1Tue, 04 Mar 2025 03:28:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:06312991-669e-4808-9da1-68bf203120b8hmolesworth<p>In case it helps, IOSonata implements IrDA:</p> <p><a href="https://github.com/IOsonata/IOsonata">IOsonata</a></p> <p><a href="https://github.com/IOsonata/IOsonata/blob/master/ARM/Nordic/src/uart_nrfx.cpp">uart_nrfx.cpp</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/525622?ContentTypeID=1Tue, 04 Mar 2025 02:10:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d4b80ab4-8a1c-4f1a-9cdf-89ea887c829dOldXiao<p>Not yet.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/525491?ContentTypeID=1Mon, 03 Mar 2025 12:11:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cd54fb80-64be-46ef-b894-28ec71376ba7Sigurd Hellesvik<p>Hi,</p> <p>Have you tested this?<br />Do you see any issues when testing this?</p> <p>Regards,<br />Sigurd Hellesvik</p><div style="clear:both;"></div>