https://devzone.nordicsemi.com/f/nordic-q-a/90023/onboard-external-flash---usb---pc-transfer-questionHi guys, So here is our application: we have an external 1GB NAND flash on the board with a nRF52840 SoC. We save sensor inputs to the 1GB flash and when we connect the USB, we hope to dump the data on the 1GB flash as a csv file to the host PCen-USTelligent Community 13Fri, 15 Jul 2022 10:48:40 GMThttps://devzone.nordicsemi.com/thread/377161?ContentTypeID=1Fri, 15 Jul 2022 10:48:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e9c94977-1bd7-4131-98da-42601bb703a0Kenneth<p>I would recommend to start with:&nbsp;<a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/samples/subsys/usb/mass/README.html">https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/samples/subsys/usb/mass/README.html</a>&nbsp;</p> <p>Kenneth</p><div style="clear:both;"></div>