Please help me to build this !!!?
hi everyone,,
i wanna ask about night vision camera if it needs IR illumination to see darkness or it can work with IR emitted from hot bodies like human,animals,,,etc.
I want to build spying night vision camera,,but the problem is in my IR-LED if someone has also night vision camera he can see my illuminated LED so he know that i’m watching him then he will alerted,,so i want see him using IR emitted from him,,,,please help,,
thanks,,
Normal infra red-cameras require active infra-red lighting, usually provided by an array of LEDs on the camera. The camera will see nothing in the dark without such lighting. It is true that this can be detected, actually with ANY camera. For example, the cheap camera on cell phones can be an infra-led light detector.
However, this has nothing to do with Thermal cameras. If you want to see people’s body heat you need a thermal camera; They do not project infra-red light, they only sense incoming IR. They also cost 10k$+, so you can forget about that.
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