https://devzone.nordicsemi.com/f/nordic-q-a/14297/i-m-now-using-saadc-in-nrf52832-and-wanna-to-use-both-ppi-and-manualusing **nrf_drv_saadc.**c and nrf_saadc .c nRF52832 with sd132v2.0 for example. i init a app_timer to update a adc channel per 10ms. and manually update the batt volt per second. and the trouble is when init the adc channel nrf_drv_saadc_buffer_converten-USTelligent Community 13Tue, 07 Jun 2016 08:44:06 GMThttps://devzone.nordicsemi.com/thread/54557?ContentTypeID=1Tue, 07 Jun 2016 08:44:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1598e43f-d31c-4c86-a5e3-c5a08710d48djasonbu<p>tks for attention, It means if i use start_sample api, it will auto sample all channels which inited. if i uninit it, it will still in busy</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/54556?ContentTypeID=1Mon, 06 Jun 2016 14:36:46 GMT137ad170-7792-4731-bb38-c0d22fbe4515:17d4b5a0-6df9-4184-8e45-0cff40b03593Anders Strand<p>Have you measured the difference in current consumption with 1 and 2 channels? It does necessarily consume a lot more.</p> <p>Can you explain what you mean with this sentence? &quot;if when I init channel sample and uninit the channel nrf_drv_saadc_sample_convert by this funtion.&quot; Did you first uninit the channel, and then try to sample it with nrf_drv_saadc_sample_convert ?</p><div style="clear:both;"></div>