https://devzone.nordicsemi.com/f/nordic-q-a/19571/step-by-step-quide-to-stm32f4-nrf51dkHi Everone/Nodiac I had tried so many threads and previous questions but not bale to get my answer so asking after two weeks. I am willing to send a string from stm32f4 uart to my mobile via nrf51dk I am confused in step by step process toen-USTelligent Community 13Thu, 09 Feb 2017 08:41:48 GMThttps://devzone.nordicsemi.com/thread/76135?ContentTypeID=1Thu, 09 Feb 2017 08:41:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b0acff97-e6ad-4882-95c3-e63332097050awneil<blockquote> <p>the STM32Lx nucleo example</p> </blockquote> <p>Do you mean this:</p> <ul> <li> <p><a href="http://www.st.com/en/embedded-software/stsw-stm32149.html">www.st.com/.../stsw-stm32149.html</a></p> </li> <li> <p><a href="http://www.st.com/content/ccc/resource/technical/document/application_note/f3/db/ba/cb/bc/1a/40/c6/DM00117406.pdf/files/DM00117406.pdf/jcr:content/translations/en.DM00117406.pdf">www.st.com/.../en.DM00117406.pdf</a></p> </li> </ul><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/76136?ContentTypeID=1Wed, 08 Feb 2017 22:00:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f70e4aa3-9f16-4830-a75e-b2efe563f2acKeton<p>Easiest approach would be to download sdk 12 zip file and find Nordic UART service client demo. Inside the zip is precompiled hex file that contains everything you need to make it run. The app listens to UART on one end and can be connected by Nordic UART demo for Android over BLE. Just look for nus in examples/ble_peripheral directory</p><div style="clear:both;"></div>