Smartphone flashlight use: The torch light near the back camera of the phone is not only used to illuminate when it is dark. Whether you have an old phone or a new phone, you can do many more things with it, about which most people are not aware. Apart from lighting, more and more people use it for photography and videography, but it can be used for many other purposes. Today we are going to tell you that this flashlight can do many things including measuring heartbeat.
Phone’s flash light can do this work
Find out the heartbeat- With the flashlight on your phone, you can find out what your heartbeat is during the day. You have to place your finger on the torch light and then it can measure the heartbeat based on blood flow. For this you will find many apps on App Store and Play Store.
Call and message alerts will be provided through flashlight- If you are at a place where it is necessary to keep the phone silent, then you can get alerts of calls and messages from the flashlight. Nowadays, this feature has started coming in most of the phones and there is no need of a separate app for it. In this feature the flashlight starts blinking when a call or message is received.
Can save life in difficult times- If you are stuck somewhere in the dark and need help, you can ask for help through flashlight. In the dark, you can show your location to rescue workers with your phone’s flashlight. Apart from this, you can also send emergency signal by lighting it in a special pattern.
Can detect hidden cameras- If you want to detect hidden cameras in a hotel room, your phone’s flashlight can help you. Therefore, turn off the lights of the room and turn on the flashlight of your phone to scan the area. If the camera is hidden somewhere, the light from the flashlight will be reflected from its lens. In this way you will be able to detect hidden cameras.
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