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Recent content by advy

  1. A

    Need help REGARDING 89C51 CODE

    Can You can please send me the 89C51 code for sending and receiving the sms from a phone using AT commands. THANK YOU
  2. A

    Which chip to use for 5-7m range for RF communication?

    RF comm Reliability but i guess my question still remains unanswered
  3. A

    Connecting a mobile to a microcontroller using an FBUS

    urgent i have connected the fbus tothe computer using serial port and the other end is Nokia 3310..i tried connecting via Windows Hyper Terminal...But the mobile does not respond when i give "AT" in main window.i tried some other commands as well but i don't get any output...i checked using...
  4. A

    Connecting a mobile to a microcontroller using an FBUS

    Re: urgent this is the circuit by which i am generating the 38Khz frequency for ir emitter...but i don't know where i am going wrong...the detector senses the voltage drop but only to 3.8V...its output is never 0 even when emitter is aligned to the receiver...i am using 7805 voltage regulator...
  5. A

    how to convert 12v data signal into 5v

    12v down to 6 7805 with heat sink is the best option
  6. A

    Connecting a mobile to a microcontroller using an FBUS

    urgent Hey thanks i will try that...i wanted to know that can i use a voltage divider circuit to reduce the microcontroller voltage output from 5 to 3.3 V by a voltage divider circuit ?or is it necessary to use Fbus..Also are AT commands supported by all the Nokia phones including 3310...
  7. A

    Connecting a mobile to a microcontroller using an FBUS

    urgent **broken link removed** this is the website i was referring to previously/
  8. A

    Which chip to use for 5-7m range for RF communication?

    Re: RF comm Reliability i am a newbie...i am doing a project of contolling a robot via sms..i would also like to experiment with RF comm.i initally wanted to use r(t)lp434a...but then was warned against its unreliability... my goals are moving a robot to a distance of 5-7m minimum having...
  9. A

    Which chip to use for 5-7m range for RF communication?

    i wanted to know which chip to use for 5-7m range for RF communication for reasonable costs...and also how reliable it is?..Is checksum circuit necessary for the above chips
  10. A

    hich chip to use for 5-7m range for RF communication?

    i wanted to know which chip to use for 5-7m range for RF communication for reasonable costs...and also how reliable it is?..Is checksum circuit necessary for the above chips
  11. A

    Can i use 8051 MCU to connect it to nokia 3310 via fbus ?

    i am doing a project based on sms...the speed of fbus is 115200bps...so is there anyway by which i Can 8051 MCU to connect it to nokia 3310 via fbus ?
  12. A

    Check out my GSM report system

    Re: GSM REPORT SYSTEM Hey Nice Project...can U tell me which compiler u used for coding the pic and also can u share the code...
  13. A

    Connecting a mobile to a microcontroller using an FBUS

    i want to connect a mobile to a microcontroller using an fbus for our project...its baud rate requirement is 115200bps....is it necessary to use PIC micro controller or can i do the above using some other microcontroller based on 8051...also what is the distinct advantage of using a PIC over...
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