Often, we need to power a 5V-craving project of ours on the go. So did [Burgduino], and, unhappy with solutions available, designed their own 5V UPS! It takes a cheap powerbank design and augments ...

He could build a traditional UPS using a battery pack (it’s only 5V after all ... The caps store just enough power that when the main supply is cut, a GPIO notices, tells the Pi, and it ...