How to set the phone to take photos automatically?

Use the camera's "time-delay photo" function. General cameras will have this function. When this function is enabled, the shutter will open automatically after a delay of several seconds.

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1. Time-lapse photography is also called time-lapse photography and time-lapse video recording. It is a kind of time-compressed shooting technology, which is also called time-reduced video at present. It takes a group of photos or videos, and then through photo stitching or video frame extraction, it compresses the process of minutes, hours or even days and years into a short period of time and plays it out in the form of video. In time-lapse photography video, the slow change of an object or scene is compressed in a very short time, presenting a strange and wonderful scene that is usually imperceptible to the naked eye.

2. A means to record and reproduce the slow changing process of the scene with obvious changing images on a regular basis. For example, it takes about 3 days and 3 nights for a bud to bloom, which is 72 hours. Shoot one frame of it every half hour, record the subtle changes of flowering action in turn, shoot 144 frame at * * *, then show it with a projector at normal frequency (24 frames per second), and reproduce the flowering process for 3 days and 3 nights within 6 seconds. Time-lapse photography can be regarded as the opposite of high-speed photography. Time-lapse photography is usually used to shoot urban scenery, natural scenery, astronomical phenomena, urban life, architectural manufacturing, biological evolution and other topics. At present, in addition to cameras, mobile phones and driving recorders also have this function.