https://devzone.nordicsemi.com/f/nordic-q-a/79077/nrf52840-on-arduino-33-ble-connect-with-nrf-connect-pc-appHi there, for a customer of mine I have to programm a Arduino 33 BLE but not using Arduino IDE but use the Nordic SDK. As it is a normal nRF52840 (inside an Nina-B306 Module) I thought i should be able to connect just with the nRF Connect PC-Appen-USTelligent Community 13Mon, 30 Aug 2021 12:37:58 GMThttps://devzone.nordicsemi.com/thread/327218?ContentTypeID=1Mon, 30 Aug 2021 12:37:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8affb7cd-c03f-4e51-b00b-07dcb14f9af4Simonr<p>The nRFConnect apps require either J-Link or Nordic USB device. You&#39;ll be able to connect to the Arduino 33 if you connect it to a programmer like a<a href="https://www.segger.com/products/debug-probes/j-link/"> J-Link programmer</a> or <a href="https://infocenter.nordicsemi.com/topic/ug_nrf52832_dk/UG/nrf52_DK/intro.html">nRF52 DK</a>. with the SWDIO pins or a 10-pin debug header.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/327116?ContentTypeID=1Mon, 30 Aug 2021 07:29:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e1cf360f-3547-43d5-bcd9-28389448f781Stomper85<p>Tried to flash bootloader with nrfutil python script, but this also fails:</p> <p>No trigger interface found for device with serial number: 1FE7B6A98D0C0710, Product ID: 0x805A and Vendor ID: 0x2341</p><div style="clear:both;"></div>