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wow, thanks for your information, is really very useful...
i know nowadays got a lot camera with build in memory, but have a problem to trigger it on when the door is open and off when the door is closed, got no idea how to control this, do you know how i can do it?
really appreciate your help...
I would like to design a smart security save box, i just simply explain the function, while the user key in the descending order of his/her desired password, the circuit will turn on a camera to start recording when the save box door open and save in a memory card...
By now i got no idea how to...
my project will only be experimented in a room instead of under the sky... i will be using torch light..my project is not as complex as u think
basically, my project is like: start from comparing the LDR(which is my biggest problem at the moment on how to compare them,x1 compare with x2, y1...
thanks for the help...
to ckshivaram: i not understand what are u trying to say but what i need is compare 4 LDR together which is left with right, up with down... not triggering 1 by 1 is light spot on 4 LRD together and need to move towards to the high light intensity side...
to kak: my...
i would like to design a solar tracker control by PIC 16F877A, the input is 4 LDR for left, right, up and down, output is the servo motor...
the design basically is when the light is spot on 4 LDR, sure have different intensity of the light, then the motor need to move to the high light...
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