Hello all! I have an interesting project to do. In my office, if I want to come in it, I always have to take a little magnetized thing, put it near reader which is near doors, the reader sends signal to controller, which actives relay and the relay actives lock which unlocks doors and I can step in…

Auto door unlock

system February 5, 2013, 11:19pm 6

So if it is so easy for you, maybe you could offer another, the better one?

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