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Hello Friends,
I want to make an authentication device based on SMART CARDS. I want to read data from a smart card and check the authenticaion. Can anybody provide me a circuit of this????????????????????:?:
A human body detector
I want to make a system that can detect a human body and its location in a room. It should be just like a radar system which can point out a human body ( A human body tracker circuit).
anybody can help please............................
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