https://devzone.nordicsemi.com/f/nordic-q-a/46203/esb-address-settingHi, I am using esb project of SDK15.3 to test esb PTX and PRX function. The default setting of address-0 and address-1 is 0xE7E7E7E7 and 0xC2C2C2C2, and PTX and PRX can work correctly. But, when I only change address-0 to other address (ex: 0xD6D6D6D6en-USTelligent Community 13Wed, 17 Apr 2019 13:07:15 GMThttps://devzone.nordicsemi.com/thread/182629?ContentTypeID=1Wed, 17 Apr 2019 13:07:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0ce58cbf-31ce-420e-9fd8-af1595e85321Edvin<p>Hello Chianglin,</p> <p>Did you change the address on both devices?</p> <p>I tried to change the&nbsp;</p> <p><pre class="ui-code" data-mode="c_cpp">uint8_t base_addr_0[4] = {0xE7, 0xE7, 0xE7, 0xE7};</pre></p> <p>to</p> <p><pre class="ui-code" data-mode="c_cpp">uint8_t base_addr_0[4] = {0xD6, 0xD6, 0xD6, 0xD6};</pre></p> <p>On both devices, and they still communicate.</p> <p>Note: changing the address on only one device will not work.</p> <p></p> <p>Best regards,</p> <p>Edvin</p><div style="clear:both;"></div>