Some of the Rarely Used Flash Smartphone's LED Functions

LED Flash on smartphone is useful to provide additional lighting when taking photos in low light room. But apparently there is another function of LED Flash in smmartphobe

1. Notification Notifier

With the help of Flash Notification application in Android smartphone, you can easily change LED Flash as a reminder if there is a notification. Every message comes in, then the Flash LED will light up your settings.

2. To Measure Heartbeats

Now with the help of sophisticated Andorid smartphones there are already sophisticated apps that will help you calculate your heart rate with the help of LED Flash camera. The app is the Instant Heart Rate, which utilizes cameras and LED Flash to monitor the color change and speed of blood flow to calculate your heart rate.

3. Projector

The trick is to project an image from a photo or shadow of a hand using the flash in the smartphone.

4. Emergency Flashlight

Unlike the built-in flashlight feature, with the help of Tiny Flashlight app, you can make your smartphone an emergency sentence while in a certain condition.

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Source: jalantikus.com