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Recent content by ElMobd3

  1. E

    Quectel M95 breakout PCB design

    Hello, I have 4pcs of Quectel M95 GSM/GPRS, I had made a package for M95 module at EAGLE and tried many times to do my custom board, but the problem was in the Footprint for the M95 Module there is a tolerance with the dimensions of the module and also in the pins !!! , However I've followed...
  2. E

    SIM300 GPRS Connection CLOSED problem

    Hello Everyone, I need to make a TCP connection to send Data to a Web server, everything is okay except my big problem :( The problem is After I sent AT+CIPSTART="TCP","spreadsheets.google.com","443" I got OK CONNECT OK then I sent at+cipsend > GET...
  3. E

    Issue with CIPSEND command in Sim300 GPRS

    I also have this problem!, :-(:-(:-(
  4. E

    Need to write a small code to switch USB Dongle to modem mode

    any help :( :(
  5. E

    Need to write a small code to switch USB Dongle to modem mode

    @FvM & jayanth.devarayanadurga , Thanks for your reply, Sorry I forgot to tell you that I'm using USB Host shield (which depend on MAX3421E). and I'm knowing about the USB stick it's a combo device contain Modem & CD & Card Reader devices I have found that AT^U2DIAG=0 runs the USB Stick in the...
  6. E

    Sending Data via GPRS on a remote server on internet using sim300

    you can do it via AT Commands, just search about AT Commands Sim300 you will find app notes
  7. E

    Need to write a small code to switch USB Dongle to modem mode

    did you mean these data Device descriptor: Descriptor Length: 12 Descriptor type: 01 USB version: 0200 Device class: 00 Device Subclass: 00 Device Protocol: 00 Max.packet size: 40 Vendor ID: 12D1 Product ID: 1001 Revision ID: 0000 Mfg.string index: 03 Prod.string index: 02 Serial number...
  8. E

    Need to write a small code to switch USB Dongle to modem mode

    Hello All, I'm trying to connect a USB Dongle to Arduino Mega, everything okay but there is a little problem. My USB Modem Huawei k3770 has 2 modes Mass storage mode that's the initial and modem mode when I plug it to my PC it's shown as Mass storage to get driver and the dashboard .. etc after...
  9. E

    Interface 3G USB GSM to PIC microcontroller

    cthun, could you share the schematic and how you made it possible? I really need it :) Thanks in advance
  10. E

    Interfacing TDS/EC Tester/Meter

    unfortunately all control lines of the LCD give me 3V (which is the VCC) whatever the meter is in water or not :( now I'm trying to take the I/P of the sensor then search about a relation to give me the exact TDS
  11. E

    Interfacing TDS/EC Tester/Meter

    I'm trying to check those lines under push-bottoms and take readings for clear water and salty water. Thanks for your reply. - - - Updated - - - I've removed the LCD and will check them with my Avometer :) I hope I can do it, Thanks for your reply
  12. E

    Interfacing TDS/EC Tester/Meter

    I am working on a project regarding the water pollution and I am using a TDS Meter to indicate the Total Dissolved Solids (TDS) of a solution, i.e. the concentration of dissolved solids in it. Since dissolved ionized solids such as salts and minerals increase the conductivity of a solution, a...
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