The iPhone has never had an LED notification light like some Android handsets have, but you can use the flash around the back of the phone instead to alert you to new messages and updates. If your ...

The iPhone’s LED flash is a great companion to have for your iPhone’s camera, as it can shine some light in darker places when you’re taking photos, but the built-in flash on the iPhone can be used ...

A recent design project required a bright LED flash each time a 100-µs pulse occurred. The pulse repeated every 300 ms. Because the pulse was so short, driving the ...

Unlike some Android phones, Apple's iPhones don't have a dedicated notification LED that lights up when you get a call, text, or other alert. What iPhones do include is an optional Accessibility ...

It isn’t the 3,000-nit screen, the MacBook Pro-grade processor, or even the bigger telephoto sensor that makes one of the most compelling iPhone 17 Pro Max updates. It is a much smaller, ...

The LED bulb at the back of your phone has a lot of uses. It is commonly used as a flash for the camera, which you can turn on and off within the camera app itself. It can also be used as a ...