A very simple touch switch circuit diagram can be constructed using this circuit schematic . This circuit will turn on /off an electronic relay using the same touch sensor . This touch switch circuit ...

When a weaker light beam courses through the second optical line, the ring heats up and swells, interfering with the main beam and switching off the transistor. This switch can flip on and off up ...

In this lesson, students build two circuits and explore how transistors function. When Bell Labs introduced the transistor in June of 1948, a spokesman proudly announced "This cylindrical object ...

This simple flashing light circuit is powered with 6 volts/0.5A and has a low current consumption when the light bulb is off. The flashing frequency is set by only one capacitor. Transistor T1 may be ...

At the ALS Beamline 10.0.1. The ultrathin topological insulator sodium bismuthide (Na 3 Bi) can switch to being a conventional insulator when an electric field is applied. This “off-on” effect, ...

Wanting an auto-off circuit simple electronics, [Kyle] threw together this auto shutoff circuit. The basic idea behind the cirucuit is to use a microcontroller as a timer controlling two transistors.

The resulting transistors switch on and off in less than 1 millisecond, and last for over 50,000 cycles, much higher than what has been possible before. That performance holds for both p-type ...

The biological switch, dubbed a transcriptor, could be plugged together with other biological devices to boost the power of DNA-based computers, researchers report March 28 in Science.

Researchers at Southampton University have developed a graphene transistor with an on/off switching ratio that is 1,000 times higher than in previous devices. A new transistor made from graphene — the ...

Save guides, add subjects and pick up where you left off with your BBC account. The transistor is on, when the input voltage is greater than or equal to \(0.7 V\). The transistor is off if the ...