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Tutorials on SENSORS

Infrared Obstacle Avoidance Sensor

Posted on : Sun , 07 2015 by : virusi


Necessary Knowledge : [AddIcons icn='c,hw,ard,uc'] Theory of Infrared Sensor : The main infrared areas are sensing and remote controls. In the electromagnetic spectrum, the infrared portion is divided into three regions: - Near infrared region — 700 nm to 1400 nm — infrared sensors, fiber optic. - Mid infrared region — 14...

Light Sensors

Posted on : Sun , 01 2015 by : virusi


Necessary Knowledge : [AddIcons icn='adc,vd,rtos,uv4,c,hw'] THEORY ON LIGHT SENSORS : The Light Sensor is a passive devices that convert this “light energy” whether visible or in the infra-red parts of the spectrum into an electrical signal output. Photoelectric devices can be grouped into two main categories : - those which...

Temperature Sensor

Posted on : Sun , 01 2015 by : virusi


Necessary Knowledge : [AddIcons icn='adc,vd,rtos,uv4,c,hw'] THEORY ON THERMISTOR : A thermistor is a type of resistor whose resistance depends on the temperature changes. The word thermistor is a combination of words “thermal” and “resistor”. Thermistor can be classified in two groups: - PTC(positive temperature coeffici...

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