Difference between revisions of "Ambient Light Senor Breakout"

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==Description==
 
==Description==
  
LinkSprite path tracking sensor uses a reflective infrared sensor (tcrt500). The infrared light is emitted and reflected back to the receiver, it's then inverted by 74LS14 and output to the output pin and the LED. The output signal is a digital signal.  
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Ambient light sensor breakout board outputs analog signal. When the enviroment is dark, it will output low voltage, and will output high voltage when it's bright. The output signal range is between 0V to 4V.
  
There is 3 output pins: output signal, power supply and ground.  
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This breakout has three pins: output signal, power and ground.
  
On a white surface, the output signal will be HIGH. On a black/non-reflective surface, the output signal will be low and the LED is off. The working distance from the sensor to the surface is around 1.5cm.
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[[File:SD_ambient_light_1.jpg |400px]]
 
 
[[File:SD PATH TRACK 1.jpg | 400px]]
 

Latest revision as of 04:42, 8 January 2014

Description

Ambient light sensor breakout board outputs analog signal. When the enviroment is dark, it will output low voltage, and will output high voltage when it's bright. The output signal range is between 0V to 4V.

This breakout has three pins: output signal, power and ground.

SD ambient light 1.jpg