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Recent content by ha_wasfy

  1. H

    Important things about Ericsson AT Commands<the conflict&

    Dear all 1st i've to say that i intended to make this issue in new topic as it seems confusing to me. The situation is as follows:I have Sony Ericsson T290 which supports at commands with an internal modem,and i tested it on hyperterminal and worked fine on it. the problem was connecting it to...
  2. H

    I need just a small help in AT Commands of sending sms

    Dear all i asked a friend of mine he told me that i should send something before sending AT commands to the"Sony Ericsson T290" specially for the ericsson type but he told me that he doesn't remember what is it. as i told you before i tried everything and the Mobile doesn't response to At...
  3. H

    I need just a small help in AT Commands of sending sms

    Mr Seadophine,but i don't know what to do now,i almost tried everything i tryied the serial cable and max232 and used the cut cable without the max232(i mean connecting the mobile pins directly to microcontroller) i reached the point i gave up hope using Atmel at89s52,then i tried to go on with...
  4. H

    I need just a small help in AT Commands of sending sms

    Hello All,I finished the Midterm exams.and now back to the project I still have the problem i mentioned above even i used AVR Chip"ATmega" with the same problem no response from the Mobile,i tried another mobile from a friend "Siemens c35" it worked. I don't know the problem and we have to...
  5. H

    mms using 8051 microcontroller

    Do you mean from some outer source of media and moving it to computer through microcontroller? please explain your question so maybe others can help you Regards
  6. H

    How much maximum memory can we access in 8085?

    8085 who said 128kb? actually al i know that it's somehow or another 64 kb so no way ,at least for my knowledge. If someone have new information of this show us with evidence Regards
  7. H

    Source codes of Visual Basic ?

    try this: **broken link removed**
  8. H

    Where can I find .dat file of 89s51 for bascom-8051?

    bascom-8051 i guess all data files ".dat" are appended on the program its self even the demo version. i know that when want to call "89s8252.dat" i.e. as a microcontroller on your program . call it it will work give it a try. This is done through the "$regfile" as follows $regfile =...
  9. H

    How to do Viterbi decoding in Matlab

    Vetrbi Decoding ? Bee are you a student in Alexandria faculty of engineering?.........Just a question :)
  10. H

    a good simulator for 8051, please?

    you can go to Google and search for "8051 simulator" you will find alot.
  11. H

    Hex file generation in 8051 (Keil)

    hex file generated by keil Mr hn1 i hope this can help you. i attached the programs i work with with a text file named "How to use programmer by Hatem.txt"describing how to use it.
  12. H

    I need just a small help in AT Commands of sending sms

    Now i have to pause my project as we are having exams by now.so i'll resume it after exams and tell you what is habbening,and thank you alot for your help and i hope it really works.
  13. H

    Why need MAX232 for RS232????.....help me pls

    need of max232 max232 converts from ttl level to cmos level it's important in serial communications specially between pc and microcontroller i.e
  14. H

    The difference between CD74HC245 and SN74HC245

    basic question You can search for their Data sheets,and for me i guess they are from the same family no differnce but don't take this as a truth
  15. H

    I need just a small help in AT Commands of sending sms

    Thank you alot so i guess i'll try your recommends on code and see what happen

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