Contain divide this friends many you may face a problem economical. A steal the very. Today I then beg for to advise the circuit protects steal again model that interesting. It is model to touch , the system will work when , steal touch at the metal detects. When you see the circuit may like ,because use the equipment that seek easy be IC 741 very the circuit has tall many rapidity. When human body which there is electronic signal flows through all the time , make that signal changes to come to at input change R4 to pin 3 of IC LM741 make it works cause Q1 and oval RY1 work with. The lead goes to are usable , friends fine VR1 for fix the rapidity has of the circuit. The detail is other see in the circuit has please yes.
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