https://devzone.nordicsemi.com/f/nordic-q-a/20391/unable-to-send-twi-data-over-bleHi, i am working on TWI sensor example in SDK11 i have connected MMa7660 to PCA10040 board as per the GIPIOs. and am integrated BLE app uart to the same TWI sensor example code and connected to nRFTool box Application. and i am able to observe x,y,zen-USTelligent Community 13Wed, 15 Mar 2017 09:44:16 GMThttps://devzone.nordicsemi.com/thread/79491?ContentTypeID=1Wed, 15 Mar 2017 09:44:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:299215c9-5896-43db-9fea-bdc9d95f0fdeFormerMember<p>It should work fine to combine TWI and BLE.</p> <p>Checking error codes is highly recommended, which error code does ble_nus_string() return?</p><div style="clear:both;"></div>