Both the Arduino Nano and Uno can be powered via their integrated USB connectors. This automatically supplies regulated 5V power to the board, allowing you to use any USB-supported power source ...

We’ve seen [Johan]’s AA-battery-sized Arduino/battery crossover before ... In some cases very cheap and very open source. So why not update an outstanding design to something with a little ...

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 hardware tinkerers and prototype mavens out there will invariably have stumbled across the Arduino platform. Completely open source and always ... the size of an AA battery.

A Swedish software engineer — Johan Kanflo — has made a wireless Arduino clone called AADuino, which is the size of an AA battery ... and makes computer open-source hardware, open-source ...

The Arduino UNO R4 Minima comes equipped with the RA4M1 microprocessor from Renesas. Providing a power-packed performance and an array of extended capabilities, this robust microcontroller board ...