As part of this process the Embedded Systems sensors filter the light into the three primary colors, which can be combined to create the full spectrum. The more expensive (and higher quality) cameras use three separate sensors to accomplish this task. Each sensor is fitted with a filter of a different color, making it read only the light that matches that color.
Another handy way to use them is in an area where there's a lot of loud noise, and you don't want to be surprised by someone sneaking up on you. Think about a wood or metal working shop. If you're performing some precision work on a dangerous machine, the last thing you want to be is startled. A set of these Embedded Systems sensors on the entrance can signal you that there's company on the way so you don't jump or jerk your arms when you finally notice them.
There are a multitude of ways that these gems can be integrated into your home security system. For example, if you have a long driveway, you're probably interested in knowing if someone has pulled in to it and is headed your way. Both for safety reasons and to give you some warning when your in-laws are dropping by unexpectedly. If you were to integrate two of these sensors at the end of your driveway and wire them in to your panel, you could trigger some sort of response each time you get company.
In a nutshell, Embedded Systems digital camera uses a lens or series of lenses to focuses light onto a sensor. This sensor then records the image electronically and transfers it to the electronic workings of the camera where it is organized, converted into binary digital data, and then stored on fixed or removable memory to be later read by a computer. Of course this is a highly simplified explanation of how a digital camera works.
Most Embedded Systems digital cameras’ sensors are charge-coupled devices, or CCDs, although some cameras instead have a complementary metal oxide semiconductor, or CMOS. Either way, light is converted into electrical charges, which are transferred to the brain, and finally onto the storage media.
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