This circuit is a small +5V power supply, which is useful when experimenting with digital electronics. Small inexpensive wall transformers with variable output voltage are available from any ...

PartSim is a web-based program that enables users to create and simulate electronic circuits without installing any software. This article will continue our exploration of the possibilities provided ...

Power protection is like insurance: You pay for it, yet hope you don’t need it. But it’s not a simple “purchase.” The first protection question is, “What am I seeking to protect and against what event ...

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Switched-mode power supplies are found in electronics all around us. They provide the DC voltages that power our computers, cell phones, chargers, appliances, and myriad other electronic devices.

Power supplies are a frequently misunderstood—and overlooked—PC component. Many users choose a PC power supply based on total wattage alone, assuming that higher is always synonymous with better.

Picking out a PC power supply is a lot more challenging than it might seem at a glance. While there are always plenty of reviews of the best processors and top graphics cards, Power supply units (PSUs ...

Do you need to upgrade your power supply for Nvidia’s GeForce RTX 3080 graphics card? That’s a concern many people have, but it’s actually two concerns clumped into one. First, people fear they’ll ...

A PC power supply won’t boost your frame rate, but it will make sure everything in your PC is safe, secure, and running efficiently. A bad PSU risks system crashes at stock settings – nevermind ...