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.