https://devzone.nordicsemi.com/f/nordic-q-a/52709/nrf52-power-issues---how-to-power-itI can power nrf52832 using USB without any issues. I see a strange behaviour using external 3.3V adapters. The chip does not turn on. The power supply to the chip is available and because an LED connected to breadboard shows that power is ON. BLE chipen-USTelligent Community 13Mon, 30 Sep 2019 08:24:05 GMThttps://devzone.nordicsemi.com/thread/212469?ContentTypeID=1Mon, 30 Sep 2019 08:24:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:05f5ab82-14eb-4eb1-ae6a-28b3d928de88ketiljo<p>I need to see your schematic and layout for your design</p><div style="clear:both;"></div>