https://devzone.nordicsemi.com/f/nordic-q-a/20800/spi-with-bleHello All Could you please guide me. i want implement BLE with SPI interface...if i sent any command via mobile Bluetooth..then NRF51 DK should receive the Command and then it should transfer the data via SPI interface .could please help meen-USTelligent Community 13Sat, 25 Mar 2017 19:59:43 GMThttps://devzone.nordicsemi.com/thread/81230?ContentTypeID=1Sat, 25 Mar 2017 19:59:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:852b053a-51ea-40c9-833c-66e7fc6270baendnode<p>First make sure your BLE app is working well standalone (meaning GAP and GATT layers and your custom/chosen data protocol on top of it against your peer app - typically mobile or PC or other embedded device). Then test SPI example from SDK separately against your SPI counter part. Once you are sure both these things work you can attempt to merge both things into one application. Good luck!</p><div style="clear:both;"></div>