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Sonsivri > Electronics > Hardware and Tools (Moderator: bbarney) > How to monitor GSM data
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localcrack
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« on: March 24, 2008, 08:47:50 20:47 »
I build one hardware using AT89S52 and use serial communication to control GSM modem

Now my question is, I want to monitor the data which I send from AT89S52 and also received data from GSM modem to my PC

for that purpose I build simple Y cable but it can't work.

please help me to build the cable.
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goslock
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« Reply #1 on: March 29, 2008, 06:47:30 06:47 »
To begin, Which model GSM modems using?
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localcrack
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« Reply #2 on: March 29, 2008, 08:59:26 20:59 »
I have simcon modem
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pelctronics
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« Reply #3 on: March 30, 2008, 06:22:23 18:22 »
Do you have max 232 or similiar chip for level conversion? Rs 232 data in pc side is +-12V

 
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localcrack
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« Reply #4 on: March 31, 2008, 08:17:02 20:17 »
I tried with level converter chip.

can anybody send me the schematic of Y cable
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goslock
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« Reply #5 on: April 02, 2008, 12:56:32 00:56 »
Hi localcrack Is not the model of modem, but hopefully this will serve you
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