Putting the Raspberry Pi to sleep

As much as I wanted the SmartUPS to work for the OspreyCam project, I decided to take a look at the Spell Foundry Sleepy Pi instead. The Sleepy Pi is basically an Arduino board with regulators and switching transistors to control the power to ...

I have been experimenting with a Raspberry Pi Model B and a Pi camera board, and I wanted to make it slightly more portable. Issue 26 of The MagPi mentioned a new battery-powered UPS with a USB power output, so I decided to give that a try.

My main goals ...

NUT is an open-source Uninterruptible Power Supply monitoring system. Many systems can monitor a single UPS over TCP, and shut down automatically when the battery runs low.