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banchilo
Joined: 28 Dec 2007
Posts: 2
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 05 Jan 2008 23:32 Re: Sim300 |
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| sreekumar_sh wrote: |
Hi,
I used SIM300 for GPRS Connectivity and I was able to communicate with my server .I am attaching the AT commands set which is useful in GPRS communication.
sreekumar |
Hi,
This is AT comands for wavecom wismo quik Q24xx module ??
Regards
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eemad
Joined: 07 Jan 2008
Posts: 2
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| 08 Jan 2008 5:36 Sim300 |
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Hi Sir/Madam,
Can anyone send me the Server program that provided by SIMCOM for evaluation of the SIM300 GPRS function. Attached is the picture of the program but i know find it anywhere!!! thanks in advance
Regards,
eemad
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akshay_kul59
Joined: 17 Nov 2007
Posts: 20
Helped: 4
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| 19 Jan 2008 6:20 Sim300 |
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Hello,
I have designed my board as per V2[1].01 for SIM300.
But I am not getting whetherVext is out put pin or input.
The voltage ranges I am getting on designed board are
Vbat = 4.6V
Vext =3.01 if I attached D202 output on Vext pin considering Vext is input pin.
I am not getting any indication on network status LED connected on pin no-30.
I am not getting what to do please help....
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TheRock
Joined: 21 Apr 2006
Posts: 10
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| 04 Feb 2008 9:42 Re: Sim300 |
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Hi...
The VBAT range for SIM300 is 3.4 ~ 4.5V. It is recommended to supply 4V.
You are pumping 4.6V which is out of the range.
Try to reduce the voltage supply and observe again...
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selfish
Joined: 23 Feb 2008
Posts: 1
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| 06 Mar 2008 18:58 Re: Sim300 - How to connect |
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Hi,
I purchased a SIM300 module without considering the connections. The tiny connector which i ordered with it is ment to be connected to a special PCB or something similar.
Can any one explain how i can obtain the serial port and power connections from this module? From where i can get the necessary hardware.
Thank you.
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terrykch
Joined: 14 Mar 2008
Posts: 2
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| 14 Mar 2008 4:38 Sim300 |
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| I have a sim300 evb-kit v2.02, but when i power on, the led flashes but auto off after abt 30 sec.
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88allenliu
Joined: 18 Mar 2008
Posts: 15
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| 18 Mar 2008 6:06 Sim300 |
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dear
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****************************
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SIM508Z，SIM548Z， SIM600
****************************
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Tel: 86-755-82940219
Fax: 86-755-83292348
Email: allen.liu(at)haozetech.com
MSN : allen-88888(at)hotmail.com
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huyNX
Joined: 30 Mar 2006
Posts: 7
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| 28 Mar 2008 6:20 Sim300 |
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Can I use LM317 to supply power for SIM300C module?
Can it send and receive SMS with 1.5A current supply?
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linuxsrinuprasad
Joined: 27 Mar 2008
Posts: 1
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| 30 Mar 2008 16:17 Sim300 circuit |
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| tramp wrote: |
| Did anyone using SIM300 eavalution board(SIM300 EVB attached herewith)?Is it working perfectly. |
We are going to interface ARM Board to SIM300 , Please kindly send circuit diagram for SIM300 ,
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Van der Waals
Joined: 12 Mar 2008
Posts: 43
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| 03 Apr 2008 17:39 Re: Sim300 |
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Hi,
I would like to know how to connect my GSM module (SIM300) to my microcotroller (PIC 18F4525) ??. I have to command the GSM module so that it dial a number if an input of the PIC 18F4525 is activated, aslo the SIM300 should be able to activate a relay (in the outputs of the Microcontroller) by AT command ?
thanks in advance.
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huyNX
Joined: 30 Mar 2006
Posts: 7
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| 09 Apr 2008 9:43 Re: Sim300 circuit |
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| linuxsrinuprasad wrote: |
We are going to interface ARM Board to SIM300 , Please kindly send circuit diagram for SIM300 , |
There are some version of SIM300
I use SIM300C (ver with dip board)
Here is SIM300C EVB
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Van der Waals
Joined: 12 Mar 2008
Posts: 43
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| 15 Apr 2008 23:26 Re: Sim300 |
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Hi,
please, i'd like to know whether the SIM300 has a specific developpement kit or not and from where can I buy it ?
thanks in advance.
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avinash11
Joined: 09 Feb 2008
Posts: 9
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| 17 Apr 2008 19:17 Re: Sim300 |
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hi all
i think this problem is related with only power supply.
i am using two sim 300 modem, one is working with 12v and 1 amp supply and other one is working with 12v and 2 amp supply.
so plz check ur power supply
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planet69
Joined: 27 Jul 2006
Posts: 34
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| 18 Apr 2008 2:58 Re: Sim300 |
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| avinash11 wrote: |
hi all
i think this problem is related with only power supply.
i am using two sim 300 modem, one is working with 12v and 1 amp supply and other one is working with 12v and 2 amp supply.
so plz check ur power supply |
which problem are you referring to?
kindly be more specific
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flypcb
Joined: 29 Nov 2007
Posts: 46
Helped: 1
Location: CHINA
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| 21 Apr 2008 5:38 Sim300 |
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Hi All, I can offer SIM300 module and development kit from China to you. Kindly email to sales(at)flypcb.com for any issue.
Thanks, Ken
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huyNX
Joined: 30 Mar 2006
Posts: 7
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| 23 Apr 2008 10:29 Sim300 |
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When init with AT+CPMS (SM or ME parameter)
I have CMS ERROR:517
"SM BL not ready"
How to fix it?
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lordddd
Joined: 31 Dec 2007
Posts: 2
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| 25 Apr 2008 12:17 Re: Sim300 |
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hi.
sim 300 v1.01
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lordddd
Joined: 31 Dec 2007
Posts: 2
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| 25 Apr 2008 12:52 Re: Sim300 |
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at command
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hamidrezamaddah
Joined: 29 Aug 2006
Posts: 14
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| 30 Apr 2008 12:36 Re: Sim300 |
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i attach the schematic that i got response.
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hifni_g
Joined: 17 Dec 2003
Posts: 7
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| 08 May 2008 17:07 Re: Sim300 |
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Does any one can give me "working" voltage specification for the sim300,
VBAT, VEXT, SIMVDD?
the voltage output value of XC6019B302MR ?
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ds18s20
Joined: 14 Jun 2006
Posts: 144
Helped: 2
Location: Bay Area
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| 29 May 2008 16:04 Re: Sim300 |
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So how does one get hold of these for cheap? I mean most places ask more than what the module itself is worth 
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hoseinezci
Joined: 16 Jun 2008
Posts: 1
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| 16 Jun 2008 8:29 Re: Sim300 |
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| i want the sim300 evb schematic. is anybody help me?
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sabeti_1990
Joined: 16 Nov 2007
Posts: 65
Helped: 4
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| 20 Jun 2008 13:10 Re: Sim300 |
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hi selfish
if U see hardware for sim300 (download it from this topic) & use molex simcard holder
U can run correctly sim300
best voltage for vcc of VBAT = 4v & for sim vdd = 2.9v
for checking of work of sim300 use a LED with 1k resistor to GND in vdd_ext pin.
for sim presence connect this pin directly to GND
Added after 3 minutes:
hi huyNX
yes u can use lm117 or lm317 for supply for sim300 but attention first adjust your voltage then connect sim300 because the voltage more than 4.55 is harmfull for it
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Silix
Joined: 26 Apr 2008
Posts: 6
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| 22 Jun 2008 20:13 Re: Sim300 |
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I found a good web site with a working sample project :
http://www.utoolkit.com/gsm/
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ds18s20
Joined: 14 Jun 2006
Posts: 144
Helped: 2
Location: Bay Area
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| 25 Jun 2008 18:31 Re: Sim300 |
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| Silix wrote: |
I found a good web site with a working sample project :
http://www.utoolkit.com/gsm/ |
Looks like he did make his own PCB:
Well now we only need the gurbers so we can get more boards made at a favorite cheap fab house of our choice!
Anyone would like to post the gurber files of this project?
~B
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huys cobb
Joined: 10 Nov 2006
Posts: 58
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| 27 Jun 2008 8:35 Re: Sim300 |
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Did someone had PCB plate picture above the photo?
Thank you
Huys
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Silix
Joined: 26 Apr 2008
Posts: 6
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| 01 Jul 2008 18:47 Re: Sim300 |
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the gerbers has been added recently.
enjoy 
you can put comments, in case of any questions.
he will reply to you.
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sabeti_1990
Joined: 16 Nov 2007
Posts: 65
Helped: 4
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| 14 Aug 2008 7:38 Re: Sim300 |
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hi
U want a full pCB for sim300 or up document ?
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huys cobb
Joined: 10 Nov 2006
Posts: 58
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| 15 Aug 2008 7:00 Re: Sim300 |
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Hai
Sabeti
U want a full pCB for sim300 or up document ?
I'm looking PCB picture(jpeg,gif,etc) for SIM300 EVB...
for gerber..Didn't had program for CAD/CAM
Would like to made my self(low budget)..
Thank's
HC
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huys cobb
Joined: 10 Nov 2006
Posts: 58
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| 16 Aug 2008 11:32 Re: Sim300 |
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Didn't had program for gerber..
Perhaps from gerber to pictures files at http://www.utoolkit.com/gsm/
or
picture of EVB SIM300
Thank's
Huys
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