When UART is enabled, TWI stopshttps://devzone.nordicsemi.com/f/nordic-q-a/75004/when-uart-is-enabled-twi-stopsDevice Used: BC805M (Bluetooth Low Energy, BLE 5.2 module using Nordic nRF52805 SoC with integrated antenna). IDE: Segger Embeded Studio. nrfSDK ver: 16.0.0 We are using MC60-GPS and GSM module (UART Communication) and INA219(I2C interface) with nrf52805en-USTelligent Community 13Tue, 11 May 2021 12:54:31 GMTRE: When UART is enabled, TWI stopshttps://devzone.nordicsemi.com/thread/309257?ContentTypeID=1Tue, 11 May 2021 12:54:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7a5c9600-f767-4016-9d02-0ae946a1211dSimonr<p>Hi</p> <p>You may need to look at the resources that the TWI and UART instances are using in your application like colcks, PPI, and GPIOTE channels and make sure that these don&#39;t collide with one another, as our example projects (which I assume your project is based on) are not designed with seamless merging of examples in mind. You can use the<a href="https://infocenter.nordicsemi.com/index.jsp?topic=%2Fps_nrf52805%2Fmemory.html&amp;anchor=topic"> instantiation table in the PS</a> for reference.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>