https://devzone.nordicsemi.com/f/nordic-q-a/63739/twi-driver-rx-problemshello Nordic i am working with nrf52832, sdk 16.0 , s132 (v7) i am trying to send and receive data from an nfc reader/writer module (NXP pn7150) if i use nrf_delay_ms(100) between each read i don&#39;t get a results, which means the buffer i giveen-USTelligent Community 13Tue, 14 Jul 2020 09:51:18 GMThttps://devzone.nordicsemi.com/thread/259868?ContentTypeID=1Tue, 14 Jul 2020 09:51:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:90406072-7a60-4096-8448-da72bd656d77ziv123<p>SOLVED</p> <p>the problem was with the 4&#39;th argument of the nrf_drv_twi_tx</p> <p>was set to &#39;true&#39; so i guess the device did not relate to that message as finished message</p> <p><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/pastedimage1594720207397v1.png" alt=" " /></p> <p>changed it to &#39;false&#39; got another bit raise in the oscilloscope as well and from there everything worked fine&nbsp;</p> <p></p> <p>best regards</p> <p>Ziv</p><div style="clear:both;"></div>