Whether it's replacing lost remotes or backing up access devices, these practical Flipper Zero tips are easy for beginners and unexpectedly useful.

They're reference designs for a reason.

Arduino is a microcontroller designed for real-time hardware control with very low power use. Raspberry Pi is a full computer that runs operating systems and handles complex tasks. Arduino excels at ...

I love the Pi, but it's not always the best tool for the job.

Some Linux commands are no longer in use. These commands may still be available, but it's best to avoid them. Each of these commands has a newer replacement. Over the decades that I've been using ...

Can you use a passport instead of a REAL ID? Yes. Can you use a REAL ID instead of a passport? No. Starting Feb. 1, airline passengers without an acceptable form of ID can verify their ID using TSA ...

As passengers plan their travels for the new year and ensure they have the right identification for their flights, it can get confusing to understand what types of IDs work for what types of travel.

The angle grinder is a favorite among many users because of the enormous range it brings to the table. It can operate as a cutting tool, a material shaping tool, a surface grinder, a blade reprofiler, ...

NEW YORK CITY (PIX11) — It’s the countdown to the end of the MetroCard and while many New Yorkers know they won’t be able to buy a new one after Dec. 31, some may wonder what happens to any cards with ...

Blue books made a comeback in 2025. In an effort to prevent students from feeding final essay prompts into ChatGPT, some professors asked their students to sit down and write in-person in the lined, ...

If you’ve got an old black and white TV, it’s probably not useful for much. There are precious few analog broadcasters left in the world and black and white isn’t that fun to watch, anyway. However, ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...