You can also go the 9v battery route plugged into the on-board regulator of the Arduino but the low mAh rating of a 9v won’t allow your project to stay running for very long.

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 ...

Anyone running a battery-powered project knows how frustrating it can be when a battery dies or runs too low to prevent brown-out conditions. The Uh-Oh. ... s time to start monitoring your battery ...

What do you do if even the smallest Arduino boards (or their clones) are too big for your homebrew project? If you're Johan Kanflo, you find a way to make them even smaller. His AAduino project ...

You might think that there could be no form factor that has not as yet had an Arduino fitted in to it. This morning a new one came our way. [Johan Kanflo]’s AAduino is an Arduino clone with a… ...

The project goes through each type of battery, from alkaline to lithium, and talks about the cost, size, and power output. From there, you can pick the best battery for the job.

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 ...

As spotted by Liliputing, the TRMNL 7.5" DIY Kit is a sleek e-ink display kit made as a collaboration between Seeed Studio and TRMNL. It's perfect for people who want to add one to their project ...

Arduino enthusiasts and makers searching for a new project to keep them busy this weekend may be interested in a new DIY Arduino Nano multimeter created by YouTuber Electronoobs. Using a small ...

For this project, its creator used an Arduino Pro mini, a cellphone battery, a few other tech parts, and an old digital watch that was big enough to hold the PCB board. The result may not be the ...