https://devzone.nordicsemi.com/f/nordic-q-a/60154/low-power-uartI would like to use Uart with low standby power consumption. and I have read this post which recommend to use libuarte: https://devzone.nordicsemi.com/f/nordic-q-a/53880/low-power-uart-library/217761#217761 I try the libuarte example , the standbyen-USTelligent Community 13Wed, 15 Apr 2020 14:51:00 GMThttps://devzone.nordicsemi.com/thread/244780?ContentTypeID=1Wed, 15 Apr 2020 14:51:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fd26c4b6-5549-4628-b822-22a1c0bc3657Kenneth<p>How you do this depends a bit how you want to do it:<br /><a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v16.0.0/lib_libuarte.html">https://infocenter.nordicsemi.com/topic/sdk_nrf5_v16.0.0/lib_libuarte.html</a></p> <p>You can use&nbsp;nrf_libuarte_drv directly, in which case&nbsp;when you init&nbsp;<span>nrf_libuarte_drv_init() you can&nbsp;specify which events (e.g. from a GPIO falling or rising edge) to start and stop RX by configure startrx_evt and stoprx_evt as described here:<br /><a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v16.0.0/structnrf__libuarte__drv__config__t.html">https://infocenter.nordicsemi.com/topic/sdk_nrf5_v16.0.0/structnrf__libuarte__drv__config__t.html</a><br /></span></p> <p><span>Alternatively if you use&nbsp;nrf_libuarte_async (which is built on top of nrf_libuarte_drv()), then you have less flexibility. Then you need to init and uninit nrf_libuarte_async to start and stop rx, this can for instance be done from a GPIO interrupt.</span></p> <p><span>Best regards,<br />Kenneth</span></p> <p><span></span></p><div style="clear:both;"></div>