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 – ...

Here’s a simple FET circuit that lets you switch ... open the FET by charging and discharging its gate – at its simplest, you can imagine the gate as a capacitor. To sum it up, a FET is a ...

This last principle is used in the sensitive switch installation you will be presented next. Photocell is placed in a bridge circuit and a comparator is used as detector bridge balanced. The ...

Thermocouples and their leads often have to detect open-circuit or ... automotive designs. The circuit in the figure shows a low-cost solution based on a transistor switch (Q1).

Owing to recent intensive studies on organic electronic materials, the mobility of p-type organic field-effect transistors ... the circuit diagram are shown in Fig. 1c. The plastic MEMS switch ...

Researchers have reported a black phosphorus transistor that can be used as an alternative ultra-low power switch ... switching and standby power of CMOS circuits, it is critical to reduce ...

Two lamps connected in series with an open switch and a cell The circuit diagram shows a circuit with two lamps connected in series. If one lamp breaks, the other lamp will not light. The current ...

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 ...