Powering an Arduino
Here is some resources about powering Arduino or other electronic projects:
General
Portable / Battery powered
For portable projects some info on battery usage.
- http://www.instructables.com/id/Powering-Arduino-with-a-Battery/
- https://learn.adafruit.com/all-about-batteries/overview
- https://www.open-electronics.org/the-power-of-arduino-this-unknown/