Abstract: Using the keyboard LEDs to send data optically was proposed in 2002 by Loughry and Umphress [1] (Appendix A). In this paper we extensively explore this threat in the context of a modern ...

Ever accidentally typed in ALL CAPS because you didn't notice Caps Lock was on? Or struggled to see if Num Lock is enabled on your keyboard? This lightweight utility solves that with a beautiful, ...

If the Caps Lock indicator doesn't work on your Windows 10 PC, the problem could be a recent update. If this problem started recently, you might be able to fix it by simply removing the most recent ...

iOS 19 is likely to bring a battery charging indicator on the lock screen, providing users with estimated charging time. Apple will host the 5-day annual developer's event, the WWDC 2025, in less than ...

Ergonomic keyboards like the Zebronics ZEB-KM2100, Dell KB216, Zebronics K24, and Logitech K400 Plus offer comfort, functionality, and reduced typing strain—perfect for work or media use. Available on ...

This is a giant padlock icon that says 'Caps Lock On' and takes over a huge amount of screen real-estate whenever you press the Caps Lock key. We guess the idea is that it's very possible to ...

Do you see “Caps Lock On” and “Num Lock On” notifications on your screen after a recent update on your Windows 11 (and Windows 10) HP PC? You’re not alone. You can safely disable “Caps Lock On” or ...

The Caps Lock key capitalizes all text entered when activated. Does this key ever come in handy for anything? We’re not sure it does aside from those very infrequent moments when you need to enter ...

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more from technology. You don't expect the supercheap Amazon Basics Keyboard to ...

Made of matte black plastic, the Amazon Basics keyboard—part of a thrifty family that includes a $7.17 mouse and a $22.99 wireless keyboard and mouse set, whose prices also change frequently—is so ...