https://devzone.nordicsemi.com/f/nordic-q-a/29024/microesb-no-ackHi, In micro_esb.h, it is indicated that the transmission without ACK is not implemented yet. However, there is a parameter named dynamic_ack_enable in the uesb_config structure and a function named uesb_write_tx_payload_noack(..) which are not functionalen-USTelligent Community 13Wed, 10 Feb 2016 09:45:00 GMThttps://devzone.nordicsemi.com/thread/114857?ContentTypeID=1Wed, 10 Feb 2016 09:45:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1f412d44-fc53-411c-9836-4865c9dc3007Kenneth<p>Hi, I believe you should find help in the answer in this thread: <a href="https://devzone.nordicsemi.com/question/66704/microesb-packet-configuration/">devzone.nordicsemi.com/.../</a></p><div style="clear:both;"></div>