🔢 4x4 matrix keypad input for entering a numeric password 📺 16x2 I2C LCD for real-time user feedback Green LED indicator on successful password entry Red LED indicator on failed password entry 🔊 ...

Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing power and I/O you get. But if you need something really small, like ...

This library allows you to generate interrupts at specified cycle and call functions when timer event fires. Unlike the original FSP timer, it can generate interrupts with very long periods, from a ...

I review privacy tools like hardware security keys, password managers, private messaging apps, and ad-blocking software. I also report on online scams and offer advice to families and individuals ...

LastPass has been breached (again). If you're looking for another password manager, we've tested all the top contenders, and our guide makes switching easier than you might think. I review privacy ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney is a writer covering home-improvement topics, ...

On a tight budget and need password protection? Good news: Some of the best password managers we've tested also offer free plans. A password manager is vital for managing and securing your accounts, ...

Feeling the urge to play UNO but a little rusty on the rules of the beloved game? Or have you found yourself in a heated debate with an opponent over special cards like Wild or Draw Two? You’ve come ...

The iPad is getting ever more powerful, and whether you’re on an iPad, iPad Air, or iPad Pro, a good keyboard can transform your tablet into a rival for a conventional MacBook laptop. Apple sells two ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Jon Chase Jon Chase is an editor of smart-home coverage. For Wirecutter, he ...