https://devzone.nordicsemi.com/f/nordic-q-a/27581/nrf24lu1p-operation-without-usb-connectionI&#39;m trying to use the nRF24LU1P as a standalone 8051 with the nRF24 radio inside. I provide 5v on the USB connection but no host connection. I am trying to operate in PRX mode and just respond to packets over the air. My code works if I open a connectionen-USTelligent Community 13Tue, 28 Nov 2017 13:46:51 GMThttps://devzone.nordicsemi.com/thread/108934?ContentTypeID=1Tue, 28 Nov 2017 13:46:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b52d5590-88c7-45cd-a399-e59fdfba51f2ovrebekk<p>Hi Greg</p> <p>Using the nRF24LU1+ without the USB interface connected should not be an issue, as long as you supply power either to the VBUS line (5V) or the VDD lines (~3.3V).</p> <p>What kind of hardware are you using?<br /> Is it a standard devkit, or a custom hardware design?</p> <p>Best regards<br /> Torbjørn</p><div style="clear:both;"></div>