When was the first robot created?
The first digital and programmable robot was invented by George Devol in 1954 and was named the Unimate. It was sold to General Motors in 1961 where it was used to lift pieces of hot metal from die casting machines at the Inland Fisher Guide Plant in the West Trenton section of Ewing Township, New Jersey.
Where did the word robot come from?
As a word, robot is a relative newcomer to the English language. It was the brainchild of a brilliant Czech playwright, novelist and journalist named Karel apek (1880-19 ....etc

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I want to know how to operate a 2 way intercom.. I've made one ! ....etc

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i want vegakit 557 metal detector circuit diagram and working.
i know nothing, please give vegakit 557 metal detector circuit diagram and working

i want vegakit 557 metal detector circuit diagram and working.
i know nothing, please give vegakit 557 metal detector circuit diagram and working ....etc

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A metal detector is an electronic instrument that detects the presence of metal near. Metal detectors are useful for finding hidden metal inclusions inside objects, or metal objects buried underground. They often consist of a handheld unit with a sensor probe that can be swept over the floor or other objects. If the sensor approaches a metal part, this is indicated by a changing tone on the headphones or a needle moving over an indicator. Usually, the device gives some indication of the distance; The closer the metal is, the higher the pitch in ....etc

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to get information about the topic metal detection robot full report ,ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-remote-controlled-metal-detecting-robot-with-remote-image-transmission

http://seminarsprojects.net/Thread-wireless-controlled-mine-detecting-robot

http://seminarsprojects.net/Thread-wireless-land-mine-detecting-robot

http://seminarsprojects.net/Thread-landmine-detecting-robot

http://seminarsprojects.net/Thread-metal-detector-full-report?page=2 ....etc

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Pls provide a better circuit diagram for metal detecting robotic vehicle using AT8951 microcontroller with the appropriate program for that.. ....etc

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report on metal detector of 557 from vegakit

Metal Detector Project

This circuit is most useful for security checking. Metal Detector available in the market are quite expensive.

This metal detector can be used to detect slightly big size metallic objects. It used a sensing coil. This coil should be kept near metallic objects for detection. Input of Circuit is a week colpitt s R.F. range Oscillator. Sensing coil forms parts of tuned oscillator.

When coil is brought near a metallic object magnetic energy is observed and Oscillator fails to ....etc

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When electricity flows through the transmitter coil, it creates a magnetic field all around it. If you sweep the detector above a metal object (such as this old gray spanner), the magnetic field penetrates right through it. The magnetic field makes an electric current flow inside the metal object. ....etc

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Please send me full description of metal detector to my gmail account 
[email protected] ....etc

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To get full information or details of metal detector robot vehicle circuit diagram please have a look on the pages

http://seminarsprojects.net/Thread-rf-controlled-robot-with-metal-detector-and-wireless-image-and-voice-transmission-mod

http://seminarsprojects.net/Thread-remote-controlled-metal-detecting-robot-with-remote-image-transmission?pid=39653&mode=threaded

if you again feel trouble on metal detector robot vehicle circuit diagram please reply in that page and ask specific fields in metal detector robot vehicle circuit diagram ....etc

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