Denis Hennessy recently encountered a problem we've all faced: he needed some AAs for a battery-eating gizmo, and he was overwhelmed by the choices available. Ignoring the shiny packaging and its ...

Being the smart consumer he is, [Denis] usually looks at the price per pound when comparing similar products at the grocery store. When it came time to buy a few AA batteries, he didn’t have any data ...

to convert 12v ~ 5v R1 = 13kOm R2 = 20kOm || constant for arduino nano : KF 0.00488758553 ; error 0.021 ; ...

Abstract: Battery management systems (BMS) are widely used for proper protection and utilization of battery systems. In this paper, a modular BMS circuit is proposed for the design of modular battery ...

In order to use the Arduino analog inputs to read voltages above 5 volt (actually above V REF, see here for more details), we need to design a voltage divider to divide the large voltage into a ...

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. The ...