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Recent content by ebuka_2

  1. E

    8051 based remote automation using DTMF with audio acknowledgemets.

    ISD2560, ISD2575 or ISD2590 or any one at all.
  2. E

    8051 based remote automation using DTMF with audio acknowledgemets.

    Help me look it up, please.
  3. E

    8051 based remote automation using DTMF with audio acknowledgemets.

    What part number do you use? Maybe I will have to switch to it.
  4. E

    8051 based remote automation using DTMF with audio acknowledgemets.

    I will be using ISD251210. I want to know how I can record/play to/from a particular address on the chip. I want to record up to 8 different audios and play them independently when needed. I want to use it to implement an Interactive Voice Response (IVR).
  5. E

    8051 based remote automation using DTMF with audio acknowledgemets.

    Thank you all. I found a chip (ISD25 series). Please I need with the chip. Anything I should know about it. Thanks
  6. E

    8051 based remote automation using DTMF with audio acknowledgemets.

    Do you know of any? or class so as to help with the search.
  7. E

    8051 based remote automation using DTMF with audio acknowledgemets.

    Greetings. I want to design and implement a GSM based remote control. I want the system to be interactive as well as a stand-alone device. I want that when a call is made to the device, it automatically picks up and request for authentication and then direct the user interactively on how...
  8. E

    GSM-based Home Security System (Alert is via SMS)

    Thanks alot. I will go look for the GSM module.
  9. E

    GSM-based Home Security System (Alert is via SMS)

    Alright. If I want to remotely communicate with the HSS through voice call (by send a code in the form of DTMF), can I still do it with this GSM module?
  10. E

    GSM-based Home Security System (Alert is via SMS)

    Thanks. Please can this GSM module send up to 5 different SMSs to a pre-registered phone number? Also does it support message resending when an attempt to send an SMS fails? Thanks once again.
  11. E

    GSM-based Home Security System (Alert is via SMS)

    What chip are you talking about in particular?
  12. E

    GSM-based Home Security System (Alert is via SMS)

    Greetings to you all. I am planning to design a Home Security System (HSS). The system is supposed to automatically send an SMS to the owner of the house when there is a security breach. The HSS should send one of or any combination of the three possible SMSs (depending on what the breach...
  13. E

    Equalizer homework.

    Please forum members I need to know the functions of an Equalizer in a System and how to derive the mathematical model of an Equalizer. Please the assignment is to be submitted on Friday(29th Oct. 2010) Thanks alot.
  14. E

    IRP150 FET help

    Thanks MOSFET Killer. I have seen it, it is IRFP150.
  15. E

    IRP150 FET help

    Please, I am a student. I saw a schematic that contain a transistor named IRP150. I did a google search to see what it looks like, but I could find any image. Please I need somebody to show me the image of IRP150. Thanks
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