Node: Warn if voltage drops below 3500mv

TheThingsNetwork / arduino-device-lib

Arduino Library for TTN Devices

MIT License

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Closed FokkeZB closed 7 years ago

FokkeZB commented 7 years ago

While we work on #127 we should think about how to warn the user that the temperature and motion sensor no longer work.

[ ] Add isTemperaturePowered() and isMotionPowered() methods which can either look at the voltage or maybe test if the sensor works.
[ ] In the example sketch blink red if the power drops below 3500