https://devzone.nordicsemi.com/f/nordic-q-a/21191/read-data-written-by-libusbHi guys, I&#39;m on Win7 and I&#39;m writing data from libusb to nrf51 board, my code is usb_bulk_write(dev_handle, 0x04, data, WRITE_SIZE, 1000); When the nrf51 receives the data, where can it access it from exactly? Since the EP is 0x04 for writingen-USTelligent Community 13Fri, 07 Apr 2017 17:40:05 GMThttps://devzone.nordicsemi.com/thread/82924?ContentTypeID=1Fri, 07 Apr 2017 17:40:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:91181bd9-35bf-4757-a83c-dbfdc8339da5Keton<p>If your board is really based on nRF51 then it hasn&#39;t any USB capability. nRF51-DK board has Segger J-Link which provides USB-to-Serial capability. You can access serial data sent to Segger via nRF51 USART peripheral. If you need native USB consider using newest nRF52840.</p><div style="clear:both;"></div>