Mira Murati

Battery-powered Arduino projects have one common enemy: a board that drains power even when it has nothing to do. By default, Arduino runs at full speed continuously, burning through battery charge whether it's actively doing something or just waiting. Low power mode solves this by putting the microcontroller to sleep when it's idle, waking it up only when there's actual work to do. The concept is straightforward: the microcontroller spends most of its time asleep, wakes up to do something useful (take a sensor reading, send data, check a button), then goes back to sleep immediately.

Every developer has been there: you push a commit, CI fails, and it turns out there was a linting error, a forgotten debug statement, or a test that nobody ran. Pre-commit hooks are the safety net that catches these problems before they ever leave your machine. They are not a complex feature or an advanced Git topic. They are just scripts, and once you understand how they work, you will find yourself reaching for them on every project.

Choosing a PCB supplier is one thing. Choosing an EMS PCB manufacturer is another.

A traditional PCB supplier may only deliver bare circuit boards. A PCB assembly company may only place components onto the board. But an EMS PCB manufacturer is expected to handle a broader manufacturing chain: PCB fabrication, component sourcing, SMT and through-hole assembly, testing, cable integration, enclosure assembly, packaging, and sometimes even product-level engineering support.

Handling file uploads is one of those things that sounds simple at first but has plenty of moving parts: storage drivers, validation, security, public access, multiple files. Laravel 13 ships with a solid, well-rounded set of tools to deal with all of this without pulling in third-party packages. This article walks through the full lifecycle of a file upload in a Laravel 13 application, from the HTML form to retrieving files from storage, with practical examples along the way.