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.

all contained in Arduino Shield Form-Factor (Uno and Leo/R3). Its creators explains more about their EnergyShield Arduino rechargeable battery and why they are looking for Kickstarter funding.

The build relies on an Arduino Uno as the brains ... motors which drive the walking assemblies. Power is courtesy of a 3-cell lithium-polymer battery. The chassis, legs, and joints are all ...

When the power went out at ... but [Lauters] couldn’t find an Arduino library to make the job easier. Instead, he prototyped basic communication by running an Arduino Uno as a simple serial ...

However, this Arduino DVM can also be used as a standalone 5-V DVM by slightly changing the hardware setup and powering the Arduino from an external power source like the common 9-V battery (see ...

A Swedish software engineer — Johan Kanflo — has made a wireless Arduino ... factor of an AA battery. The AADuino includes an ATmega328 clocked at 8MHz for reducing the power consumption ...

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas ... while keeping the RTC powered by an external buffer battery. For makers seeking a boost in processing power ...