The classical way to measure a system’s voltage is to connect one of ... when to send a “low battery” signal, it’s an attractive solution. Being an Arduino library, CPUVolt makes this ...

and the resulting connection won’t be as good as a weld. Fortunately, though, a decent spot welder isn’t that tough to build, as [KaeptnBalu] shows us with his Arduino-controlled battery spot ...

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 ...

Claude Arpin based in Québec Canada has created a new Arduino ... li-ion battery and comes complete with its own iOS application. Other features include a USB and the ability to connect a solar ...

Comparing the Arduino Uno and the Nano ... It's also a great idea to connect a switch for the battery, so you can turn the power on and off as needed without unplugging the wires.

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 ...

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 ...

Last year, the Raspberry Pi Foundation surprised the hobbyist world with its RPi Zero, the smallest incarnation of its popular single-board computer. However, that has nothing on this even smaller ...

Well, get a load of this, makers: An Arduino clone that’s literally the size of a AA battery. Sweden-based coder Johan Kanflo was looking for a way to make the Tiny328, which he was using in his ...