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Play SIM900 with Netduino


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13 replies to this topic

#1 Hoàng Phi Hồng

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Posted 04 June 2012 - 02:45 AM

Hi, I want to communicate Netduino Plus with SIM900. Is it possible? Thanks

#2 Hoàng Phi Hồng

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Posted 07 June 2012 - 03:13 AM

Anybody help me?

#3 s0n1k

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Posted 18 July 2012 - 02:43 PM

I would be very interested too if somone can help!!!
Netduino net = new Netduino();

#4 embarus

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Posted 19 July 2012 - 02:47 AM

Hi Hoàng Phi Hồng I find this driver on codeplex http://netduino2seedgsm.codeplex.com/ for using with SIM900 GSM Module. Actually I've just bought one. When I am working on my Netduino Plus connecting with Sim900, I will let you know. Hope this helps.


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#5 Hoàng Phi Hồng

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Posted 19 July 2012 - 04:18 AM

Hi Hoàng Phi Hồng

I find this driver on codeplex http://netduino2seedgsm.codeplex.com/ for using with SIM900 GSM Module.

Actually I've just bought one. When I am working on my Netduino Plus connecting with Sim900, I will let you know.

Hope this helps.

Thank you so much, Embarus!

#6 s0n1k

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Posted 19 July 2012 - 12:43 PM

Hi guys, I'm tryng the code right now, but have some problem comnnecting COM1 to the SIM900... I mean, I gave power to the SIM900 setting true its D8 pin (on/off)... then send data, but nothing comes back from SIM900. There isn't a led indicating if the SIM900 is correctly powered so I'm wondering if there is another method to know if the serial communication has been established succesfully...or not... Any suggestion? Thank you!
Netduino net = new Netduino();

#7 s0n1k

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Posted 20 July 2012 - 12:18 PM

Hi Hoàng Phi Hồng, have you been able to use the SIM900 usind the CodePlex code? If so could you tell me what are the correct values for baud rate, stop bits and parity? Thank you, s0n1k
Netduino net = new Netduino();

#8 Hoàng Phi Hồng

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Posted 21 July 2012 - 07:28 AM

Hi Hoàng Phi Hồng,

have you been able to use the SIM900 usind the CodePlex code?

If so could you tell me what are the correct values for baud rate, stop bits and parity?

Thank you,

s0n1k


Not yet, i re-designed Netduino Plus board so i have my own problem with it.

#9 s0n1k

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Posted 23 July 2012 - 09:38 AM

Hi, I've got this shield (please see the image)... I'm still not able to make it work and now I'm wondering if there are compatibility issues (this shield is designed for Arduino's product line). As you've guess I'm new in Netduino...are out there any drivers for this shield and SIM900?? Thank you!

Attached Files


Netduino net = new Netduino();

#10 Chris Walker

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Posted 23 July 2012 - 09:49 AM

Hi s0n1k, Who is the shield made by? Which shield is it? Do you have a link to its webpage? Chris

#11 s0n1k

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Posted 23 July 2012 - 10:41 AM

Dear Chris,

I've got this link in Italian...

I think it's called GSMGPRSSHIELDV2 but I'm only working on a pre-built prototype so I'm not sure...

I know that it is a shield for Arduino, but I can't find drivers for C#/Netduino so far...

Thank you!
Netduino net = new Netduino();

#12 s0n1k

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Posted 23 July 2012 - 10:56 AM

...and over the shield is mounted a FT-900M (SIM900)...
Netduino net = new Netduino();

#13 Ryan Abrahamson

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Posted 27 July 2012 - 02:14 PM

I just got this board yesterday from seeed. There are jumpers on the board to select hardware Serial Ports or Software serial Ports. Looking that the code on codeplex, COM1 is being used. A quick scan of some other Forums, I believe COM1 is tied to D0,D1 which correlates to the Hardware Serial pins on the GPRS shield. So, unless you move the jumpers to select the Hardware serial option from the software serial option, things probably won't work. You can get all this information here: http://www.seeedstud...RS_Shield_v0.9b Hope that helps, I will post my progress with getting things working here. Cheers! Ryan

#14 Ryan Abrahamson

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Posted 30 July 2012 - 09:08 PM

Just as an FYI-

I got the Netduino talking to the SIM900 GPRS shield from Seeed Studios using the codeplex code mentioned in this thread.

The key was switching the jumpers on the shield from the "Software Serial" port to the "Hardware Serial" port so that the tx and rx pins would line up with the Netduino COM1 port pins D0/D1.

I added a little method to send the "ATI" command and it responds with: SIM900 R11.0

com port settings are:
(string portName = SerialPorts.COM1, int baudRate = 19200, Parity parity = Parity.Odd, int dataBits = 8, StopBits stopBits = StopBits.One)





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