smart shelves using Arduino

Hi, I need a C program using smart shelves, how can I read the bottles on the shelf when all who own frequency. Does anyone have an idea! !! Thx

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neilk over 10 years ago +1

Hi ritamüller Googling smart shelves brings up a variety of different links. Can you tell us more about your requirement? Is it for instance based on RFID tagging? Neil

0 neilk over 10 years ago

Hi ritamüller Googling smart shelves brings up a variety of different links. Can you tell us more about your requirement?

Is it for instance based on RFID tagging?

Neil
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0 mahayarf over 10 years ago

Hi Rita Muller

I could not understand your point "when all who own frequency" assuming you are using german use Google translate.

You could put a weight sensor (load bearing) on the bottle rack and connect it to the Arduino - weight of each bottle - x gms total number of bottles on rack - y
So a full rack would be x*y gms initial read or init value set. Give init values to x and y
As bottles are removed the value of x*y would reduce/change to x1*y1 ....... and the number of bottles could be displayed by a counter whose rounded value is computed by
(x1*y1) / x .........

You could also put a infra red xmitter/receiver unit where the bottles are being removed (like a gate) and every time a bottle is removed reduce the counter by 1.

Mahayar
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0 ritamüller over 10 years ago in reply to neilk

Hi Neil , ja it is about RFID application, I have Arduino UNO and Arduino XBee and RFID / NFC chip and I want to read the products in the shelf , the problem is when all products have the same frequency, how should I implement the program?
Thank you for your interest ,

Rita
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0 neilk over 10 years ago in reply to ritamüller

Hi ritamüller when you say:

the problem is when all products have the same frequency

do you mean all the product tags have the same RFID code?

Neil
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0 ritamüller over 10 years ago in reply to neilk

Hi Neil, no I mean different RFID codes but the same frequency for example 125khz.

Rita
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0 neilk over 10 years ago in reply to ritamüller

Hi ritamüller

Googling Arduino rfid brings up a wealth of links, some of which look very useful. In particular, Jeremy Blum's tutorial:

http://www.jeremyblum.com/2011/07/08/tutorial-12-for-arduino-rfid-card-reading/

develops a reading sketch from first principles, which reads and prints out different RFID tag codes.
Although it may refer to a different chip to the one you have, I think it should prove very useful.

Please let the forum know how you get on

Best wishes

Neil
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0 Robert Peter Oakes over 10 years ago in reply to mahayarf

But what if a bottle is half used and put back on the shelf ???
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