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 ...

So, what do you do when your Arduino project needs to operate in a remote area or as a portable device? There are LiPo battery shields available, and although they may work well, recharging requires ...

In my last blog post: http://embeddederic.blogspot.c… I took an Adruino Uno and a Protoshield and made a simple battery monitor, so I could measure the voltage of a ...

This article describes a rainbow flashlight I designed for a personal project. The intended application compels a multimode, multicolor, compact flashlight/tent light to be driven by a small built-in ...

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 ...

Connector to add external battery to real-time clock (RTC) inside Renesas MCU (MCU RTC power pad held to 5V rail on Minima) Secondary (wireless) processor: 240MHz 3.3V dual core 32bit Espressif ...