Create device for control of fan speed. 4 levels of speed. speed switching in manual mode with two.....?

Answer Too many requirements for a circuit design that can be described here,but may be possible to do with thermal switches and some relays.Start by drawing diagrams of single-pole double-throw switchest... Read More »

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What is a landing page and what is it for?

A landing page is an extension page of a site. Its purpose may be for reference, sales, statistic study of potential clients or customers on-line.Landing pages are usually harmless.For more info: h... Read More »

How many seconds is a normal shutter speed i have a nikon n80 with adjustable shutter speed and i was wondering what the noraml shutter speed is?

Shutter speed depends upon available light, aperture, the subject, and camera settings. If a picture is being taken in low light with a slow lens (larger aperture number), then the shutter may need... Read More »

Landing Gear Components?

Hang out with aviators and pilots, and sooner or later you will hear the adage "The second-greatest thrill in the world is flying. The first is landing." The landing gear of an aircraft is typicall... Read More »

How to Optimize a Landing Page?

A well designed webpage can make all the difference.A landing page serves as a bridge between the marketing message that brings visitors to your website and the site functionality that enables thos... Read More »