Web Results

Photoresistor

en.wikipedia.org/wiki/Photoresistor

A photoresistor is a light-controlled variable resistor. The resistance of a photoresistor ... They are also used in some dynamic compressors together with a small ... Jump up ^ "Silonex: TO-18...

Photocells

www.me.umn.edu/courses/me2011/arduino/technotes/photocell/photocell.html

Photocells are used in automatic night lights and in street lamps that turn themselves on at night. Sometimes known as photoresistors, photocells are available ...

Photocell-Application of photoelectric effect - City Collegiate

www.citycollegiate.com/physicsXII_photocell.htm

A photocell is a practical application of the phenomenon of photoelectric cell. ... A photocell can be used in any situation where beam of light falling on it is ...

How do photoelectric cells work? - Explain that Stuff

www.explainthatstuff.com/how-photoelectric-cells-work.html

Jan 27, 2016 ... Photo: The mini solar panel on this pocket calculator uses a type of .... detects how much light is reflected back with a photocell, and then sifts ...

Photocell tutorial! - Instructables

www.instructables.com/id/Photocell-tutorial/

Photocells a.k.a CdS cells, photoresistors, LDR (light dependent resistor). ... For this reason, they shouldn't be used to try to determine precise light levels in lux ...

Photocell | Define Photocell at Dictionary.com

www.dictionary.com/browse/photocell

Photocell definition, a solid-state device that converts light into electrical ... cell, or uses light to regulate the flow of current, as in a photoconductive cell: used in ...

photoelectric cell - Infoplease

www.infoplease.com/encyclopedia/science/photoelectric-cell.html

Photovoltaic cells are also used to make solar batteries (see solar cell). Since the current from a photocell can easily be used to operate switches or relays, it is ...

Photocell | Article about photocell by The Free Dictionary

encyclopedia2.thefreedictionary.com/photocell

Find out information about photocell. see photoelectric cell photoelectric cell or ... The word photocell is now commonly used to describe photoconductive or ...

Overview | Photocells | Adafruit Learning System

learn.adafruit.com/photocells/overview

Jul 29, 2012 ... Photocells are sensors that allow you to detect light. ... For this reason, they shouldn't be used to try to determine precise light levels in lux or ...

The Practical Use of Photocells at Maximum Performance

adsabs.harvard.edu/full/1948PASP...60..253K

The photocell, a standard Continental Electric type CE 25 A/B, as well as the 1O'~ ... It has been found that the CE 25 can be used at this low temperature at a ...

More Info

Uses of Photocells | eHow

www.ehow.com

Uses of Photocells. Photocells are semiconductors that are light detectors. They are essentially light dependent resistors, because they have an output that is ...

Application of Photocells on LED Light Fixtures - Jarvis Lights

www.jarvislights.com

Dec 3, 2014 ... Application of Photocells. All of our LED products have the ability to work with a photocell/dusk-to-dawn sensor. This accessory can be installed ...

BBC - GCSE Bitesize: Photocells

www.bbc.co.uk

The output of photocells depends on the surface area that is exposed to light. ... Very large panels of photocells are used to power satellites in orbit around Earth.