[Johan Kanflo]’s AAduino is an Arduino clone with an onboard RF module that fits within the form factor of an AA battery. Putting the Arduino inside its own battery pack makes a very neat and ...

Debug pins and RTC battery backup; Arduino Pro 4G Module: Integrated with Portenta family; Powered by Quectel Cat.4 modem; High-speed data throughput and bandwidth; Secure data transfer; ...

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 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.

Maxell, Ltd. has introduced an innovative all-solid-state battery-based power backup module designed for industrial equipment, leveraging the heat resistance and long lifespan of ceramic-packaged ...