Solid State Electronics

A classic example of an electrical relay is the system used to start a car. When someone turns an ignition key, the ignition does not interact directly with the car battery. Instead, it activates an electrical relay which passes...

A 'logic gate' is a circuit that will allow passage of a signal under certain conditions only. The two most common computer logic gates are the 'AND' and the 'OR' gates. Use toggle switches to represent the concept of...

An oscillator is a type of electrical circuit where the voltage output can be switched to be high or low, or on and off at a determined tempo. A capacitor is a critical component necessary to control the swing...