1, you need to check the interface board corresponding to the camera signal, because the computer interfaces are all USB interfaces;
2. The decoration cost may be relatively high;
3. Have high practical ability;
4. In 1 line cities, you can buy brand-new cameras;
5. Cameras can be divided into digital cameras and analog cameras. Digital cameras can convert analog video signals generated by video acquisition equipment into digital signals, and then store them in computers. The video signal captured by analog camera must be converted into digital mode by special video acquisition card and compressed before it can be converted into computer.
Extended data:
Camera or webcam, also known as computer camera, computer eye, electronic eye, etc. , a video input device, is widely used in video conferencing, telemedicine and real-time monitoring.
Ordinary people can also have video and audio conversations and communicate with each other on the Internet through the camera. In addition, people can also use it for various popular digital images, audio-visual processing and so on.
References:
Camera-Baidu Encyclopedia