Denis Hennessy recently encountered a problem we've all faced: he needed some AAs for a battery-eating gizmo ... buy samples of all the batteries, build an Arduino-controlled testing rig, and ...

[Allan Schwartz] decided to document his experience using Fritzing to design, fabricate, and test a custom Arduino shield PCB, and his step-by-step documentation makes the workflow very clear.

Behind the delightfully punny name, you’ll find an Arduino-compatible board the size of an AA battery. Growing up in the bad old days, you’ll remember what an epic pain in the rear-end it ...

Arduino developers and hobbyists looking for a portable battery shield to powered their projects might be interested in a new shield called the EnergyShield Arduino rechargeable battery.

Case in point, DIYer Johan Kanflo’s AAduino, which comes in at the size of a AA battery. Kanflo’s project is a wireless Arduino clone that’s meant to operate in a way that doesn’t take up ...