A power regulator and parametric measurement tool for Raspberry Pi has been launched on Kickstarter in the form of the Abbycus V Series. Designed by John Hoeppner the Raspberry Pi HAT is capable of generating a stable and accurate power supply from low-cost poorly regulated power supplies such as AC adapters, phone charges and others. ...
This story continues at Raspberry Pi HAT regulates and measures power
Or just read more coverage at Electronics Weekly