a solid-state device that converts light into electrical energy by producing a voltage, as in a photovoltaic cell
, or uses light to regulate the flow of current, as in a photoconductive cell
: used in automatic control systems for doors, lighting, etc.
A photoresistor or light-dependent resistor (LDR) or photocell is a light-controlled
variable resistor. The resistance of a photoresistor decreases with increasing ...
A photocell is a type of sensor that reacts to light or electromagnetic energy. One
of the most common types of photocell is a...
Oct 3, 2014 ... All these things are examples of photoelectric cells (sometimes called photocells)
—electronic devices that generate electricity when light falls ...
www.ask.com/youtube?q=What Is A Photocell&v=Y-rW8HLlJgY
Feb 2, 2011 ... A Photo Cell, LDR, or Light Dependant Resistor is used to detect light.
Information on more components can be found in my videos or going ...
Photocells. Photocells act as light sensors. Inlike infrared sensors that are good
for line followers or detecting the presense of an object, photocells are good ...
Photocells a.k.a CdS cells, photoresistors, LDR (light dependent resistor)...What
is a photocell?Photocells are sensors that allow you to detect light. They are ...
(Electronics) a device in which the photoelectric or photovoltaic effect or
photoconductivity is used to produce a current or voltage when exposed to light
or other ...
A photocell is an sensor that is supplied by a power feed and switches a load e.g:
500W light when it becomes dark, letting electricity flow from mains side to the ...
Photocells transfer light into electricity, and glass can provide passive heating for
buildings. Wind turbines transfer kinetic energy in the wind into electricity.