Video signal is a widely used video transmission method, and many external devices are available in the market.
There are various types of USB adapters, many of which do not require a power supply, are compact and low-cost.
In the video signal (NTSC method), the total number of scan lines is 525.
When converted to USB, the resolution is generally 640×480 (about 300,000 pixels).
Modern USB cameras have a standard resolution in megapixels, and the video signal resolution is a bit lower than these.
However, its fast frame rate and small data size make it a good choice for recording videos.
