I hope I’m posting this in the right place, I’ve been searching for an answer for this for a couple days now.
The 3 prototypes I’m working on all involve a Pi and a Nova, but recently there have been issues with the nova being detected on boot. What’s strange is that they’ve worked just fine up until recently.
I’ve noticed that when the nova turns on (at least with the pi zero W), it does seem to brownout the pi, so I’m considering external power for the nova. The weird part is it worked just fine for who knows how long before this started happening (I send messages through cell or wifi, whichever is available, and haven’t been logging which actually sends the message until now).
I’ve seen this phenomena on two of our prototypes now, and I suspect it’s happening on the third, though I haven’t confirmed it yet. We’ve had 2 prototypes in the field since November, and one new one that exhibits this after only a week of use.
The new prototype (with the Pi Zero W) uses a 2A lipo booster to power it. I’m thinking of adding a second one dedicated to the Nova itself, but this is also happening with the Pi 3B and a 5A power supply hardwired to the board. Are there any issues with powering the Nova externally to the USB? The extra lipo booster would be operating off the same switch as the Pi’s lipo booster.