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A photoresistor or light-dependent resistor (LDR) or photocell is a light-controlled ... If a sample of silicon has some of its atoms replaced by phosphorus atoms ...

Photocell tutorial! - Instructables


Photocells a.k.a CdS cells, photoresistors, LDR (light dependent resistor). ... to break a photocell by supllying it too much light (for example using a phone's led? ).

BBC - GCSE Bitesize: Photocells


But sunlight is a renewable energy resource and photocells do not produce polluting waste while they are in use. Here are some other advantages to photocells:.

Using a Photocell | Photocells | Adafruit Learning System


Jul 29, 2012 ... For this example I'm showing it with a 5V supply but note that you can use this with a 3.3v supply just as easily. In this configuration the analog ...

Photocells and Light Detection with the Watchdog System - Edstrom ...


understand some general principles of lighting. These general principles illustrate why photocells have to be setup and installed in a specific way. Direct Light ...

Sensing Light Levels with a Photocell | Digi XBee® Examples ...


Photocells are a popular component in electronics projects; they let you sense and take action based on the amount of light hitting the cell. Not only are they ...

How does a photocell work? - Ask.com


A photocell is made up of a semiconductor, the working of which is ... of light, or amount of photons, absorbed by a sample object or the amount of photons ...

photocell - Dictionary Definition : Vocabulary.com


photocellphotocells; the "photocell" family. Usage Examples. All SourcesFiction Arts / CultureNewsBusinessSportsScience / MedTechnology. The photocells ...

Photocells - English Street Lights Online


The names on the left are the names of UK photocell companies, past and present, that I have examples of in my collection. Clicking on these links will take you ...

Photoelectric Effect - body, used, form, energy, reaction, system, air ...


Photocell: A vacuum tube in which electric current flows when light strikes the ... be effective in causing the photoelectric effect with some metals, Einstein said, ...

Popular Q&A
Q: What is an example of a photocell?
A: Its a thing Read More »
Source: wiki.answers.com
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Inlike infrared sensors that are good for line followers or detecting the presense of an object, photocells are good when you just want to detect light. For example  ...

How do photoelectric cells work? - Explain that Stuff


Jan 27, 2016 ... All these things are examples of photoelectric cells (sometimes called photocells) —electronic devices that generate electricity when light falls ...

Types of Photocells | eHow


Photocells, otherwise known as photodetectors and photosensors, are a catch-all category for a ... Listed here are some examples of photocells, and their uses.

Photocell | Define Photocell at Dictionary.com


Photocell definition, a solid-state device that converts light into electrical energy by producing a voltage, as in a ... Examples from the Web for photocell. Expand.