Relation:
a+ (b x c) = a x (b + c)
a + b x c = (a +b) x (a + c)
This circuit takes advantage of the inductance of the coil of a high-impedance phone to form the...
This circuit controls a fan in the car, according to the temperature, activating it automatically when the...
In relation to the previous circuit (CB18493E) this spy has an extra transistor, which can be a...