AIS(Automatic Identification system)

I am looking for expert in AIS(Automatic Identification System)

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I have over 80 greenhouses and installed 10 sensors in each rooms(So, total sensor numbers are over 800)

Temperature and humidity, gas sensors , etc ..

The measurement values from each sensors are transmitted via wireless transceiver.

The wireless transceiver is connected to PC via RS232 port and send measurement data to PC.

PC is installed in each greenhouses.

The wireless transceiver is already built.

There is a micro controller(PIC series) in the wireless transceiver.

- My requirements are as following.

1 - I am going to build wireless communication system for my greenhouses.

2 - All measurement data is transmitted via wireless in run time.

3 - I want to see measurement data in any other greenhouses when I am in any greenhouses.

Of course, the measurement data in all greenhouses must be shown on PC.

4 - I want to use TDMA(Time-division multiple access).

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5 - If you have TDMA program for AIS, I want to discuss about it in detail.

Færdigheder: C++ Programmering, Elektrisk Ingeniørarbejde, Microcontroller, System Administrator, Trådløs

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Om arbejdsgiveren:
( 10 bedømmelser ) Yanjishi, China

Projekt-ID: #14739536

10 freelancers are bidding on average $280 for this job

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$250 USD in 3 dage
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The current system architect has many limitation and very difficult to maintain or develop in the future. Look at here for my proposed solution: [url removed, login to view] With Mere

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Hi, I am interested in your work, please review my profile for further details, I Best Regards Engr. Norman Relevant Skills and Experience proteus, Matlab, visio, simulink Proposed Milestones $155 USD - FNL

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Accepted changes. Relevant Skills and Experience 17 years experience + similar jobs done Proposed Milestones $322 USD - poc $400 USD - finish

$1200 USD in 3 dage
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hi, a simple way is to use 2.4GHz transceivers. We will assign each transceiver a unique id. suppose there are 100 transceivers in a line. First transceiver will with ask its neighbour to send get data from its neighbo Mere

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We are 10 Members team with 8+ years of experience. Specialized in all sorts of Electrical and Electronics Automation. We design and Build Products in most efficient possible manner Our Services: * LabVIEW an Mere

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