Here is a great collection of touch switch circuits. A touch switch is an electronic device that enables us to control a circuit by simply touching a sensor. Simple touch switch circuit with 4011 – ...

We break down the essential component of modern electronics—the transistor. Transistors are the building blocks behind most ...

As with many inventions, two people had the idea for an integrated circuit at almost the same time. Transistors had become ... build what they called "unitary circuits" and they also applied ...

In theory, the hundreds of photons, controlled by the triggering photon, could fan out and switch off hundreds of other transistors in an optical circuit. With its exotic clouds of atoms and bulky ...