Gsm/Gps Tracker

[aratti]

Camola, remove the resistors from the serial line and use a Max232.

Al.

[camolas]

Camola, remove the resistors from the serial line and use a Max232.

Al.

Hi Al,

Ive removed the res and wired like this but no sucess

[camolas]

Camola, remove the resistors from the serial line and use a Max232.

Al.

Hi Al,

Ive removed the res and wired like this but no sucess

<a href="http://imageshack.us"><img src="http://img509.imageshack.us/img509/3451/maxpt7.jpg" border="0" alt="Image Hosted by ImageShack.us"/></a><br/><a href="http://g.imageshack.us/img509/maxpt7.jpg/1/"><img src="http://img509.imageshack.us/img509/maxpt7.jpg/1/w677.png" border="0"></a>

Thanks,

Xau

[aratti]

Camola, I don't see the pinout in your diagram so I don't know if you have wired it correctly. See the attached schematic for a correct wiring.

Al.

[camolas]

Camola, I don't see the pinout in your diagram so I don't know if you have wired it correctly. See the attached schematic for a correct wiring.

Al.

Hi Al,

Hare you saying thar i sould conect the max pin 13 to Rx phone and max pin 14 to Tx phone or to nokia data cable 3,2 pins and gnd?
Thanks,

Xau.

[aratti]

Camola, modem connection should not be crossed (I don't know with nokia) but try, if it doesn't work invert Rx with Tx at the phone cable.

Before to connect the max232 to the phone, make sure that is a standard RS232. If the phone has a 3.3 volts system you will blowup the phone communication line. In this case you should use a different approch.

Remember that if you connect the max232 to the PC serial port then Rx and Tx should be crossed. The connection given in the schematic are for a PC serial connection.

Al.

[camolas]

Hi,

Didnt work, dont now what to do more.....


Xau

[mackrackit]

What are the stop bits and parity of a phone?