Detecting and Reporting power outage via Electron?

[Moors7]

Have you hit the search button for this yet? There are several topics about this already.

How to Monitor VUSB on the Electron?

You can also just check to see if the Electron is USB powered. This will be inexact - you likely won’t see momentary drops in main power because most USB power supplies will smooth over these, but you will certainly see anything longer than a few seconds. And it doesn’t even require any additional hardware - you can do it entirely in software on the Electron! #include "Particle.h" bool isUsbPowered(); // forward declaration PMIC pmic; bool lastPowerState = false; void setup() { pmic.begin(…