Tutorial

Digital to analog converter(DAC)

Submitted by staff member on Sat, 09/27/2014 - 18:35

By using a DAC you are generating a analog voltage V which is proportion to corresponding digital voltage D

 V≈kD  where k is some constant and D can be written as

D=a1*2-1+a2*2-2+_________+an*2-n ................( 1 )

IR Sensors (Infrared Sensors)

Submitted by Ankit on Sat, 09/27/2014 - 18:33

IR ( Infra Red ) Sensors

An IR or Infrared sensor is an electronic instrument that is used to sense motion or any changes of its surroundings by either emitting or detecting infrared radiation. It can also measure heat of an object and detecting motion. Infrared waves are not visible to the human eye. 

DTMF ( Dual Tone Multi Frequency)

Submitted by Ankit on Sat, 09/27/2014 - 18:30

Introduction

RFID(Radio-frequency identification)

Gargi-arya's picture
Submitted by Gargi-arya on Sat, 09/27/2014 - 18:28

Radio-frequency identification (RFID) technology involves the use of electromagnetic or electrostatic coupling in the RF portion of the electromagnetic spectrum to uniquely identify an object, animal or person. It has established itself in a wide range of markets including livestock identification and automated vehicle identification because of its ability to track moving objects. The technology has also become a primary component of automated data collection, identification and analysis systems worldwide.

LM35 Temperature Sensor

Gargi-arya's picture
Submitted by Gargi-arya on Sat, 09/27/2014 - 18:26

TEMPERATURE SENSOR

As we all know what does a temperature sensor do. In simple words these are devices used to measure the temperature or heat of a medium. 

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