One part that I find myself using somewhat regularly in microcontroller-based experiments is the “USB power bank” that provides USB-standard 5-V DC output and offers some basic protection features.

As covered in my previous blog post, all diesel-powered generators should be loaded to at least 30% of their standby nameplate rating when exercised during their monthly test. If the connected load ...

Extra batteries and portable power banks are great for keeping your electronic devices charged and operating when you’re off the grid, but they won’t last forever. Portable solar chargers don’t have ...