I recently got a Solum EL029H4WRC price tag (N52811 chip) and decided to flash my own code to it and use the tag as a conference badge. Since I haven’t got a real debug probe, I decided to use a raspberry pi pico for this purpose. Below I describe steps for anyone to reproduce my approach, that happens to be the quickest and most affordable solution among the currently existing.

I’m not going to cover a whole process of how I came to the solution, just simple steps to reproduce the result. If you are interested in more complex uses including wireles communications via zigbee…