HI ALL. i'm doing a project on microcontroller,which has to " identify the components (lik nitrogen, phosphorous,...) present in the soil ,by passing some radioactive rays on the sample of soil. whether it s feasible or not?if possible,what type of sensor can be used? if imbossible ,why?

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Get your google fired up and feed terms with each of the types of radiation and words like "detect" and "identify" and start reading. There are a huge number of methods that work.

Also read up on the 8051 and ADC converters. Merely detecting things is not enough you need to turn it into a measurement that can be used.

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yes, do some googling, for instance, see how the Mars Rovers analyse soil


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Martin Griffith

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