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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by asena

  1. A

    TCP/IP layer using a PIC 16f877

    Go to Microchip Application Notes. They have one with source code included. asena
  2. A

    SonyEricsson GPRS modem datasheet

    Send me your email. asena
  3. A

    Read CD´s

    Sorry for not speaking in english !! *** Falo sim ! mas nao eh de bom to falarmos aqui! Contacte-me pelo [email protected] cumprimentos Antonio Sergio Sena
  4. A

    Read CD´s

    Search for MP3 projects. There are quite a few that use CD and HD as a medium. Antonio Sergio Sena
  5. A

    ecg telemetry through RF transmission

    Hello! can you share with us your schematics of the ECG part? thats very interesting! greetings asena
  6. A

    SonyEricsson GPRS modem datasheet

    Thats the brochure for the product, i have it already. I got what i wanted from another source. Thanks for the time! regards asena
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    Difference between Neutral and Earth wire ?

    The induced voltages you can measure between Earth and Neutral can reach high values. Whats the power that can be taken from this induced voltages ? regards asena
  8. A

    Difference between Neutral and Earth wire ?

    The induced voltages you can measure between Earth and Neutral can reach high values. Whats the power that can be taken from this induced voltages ? regards asena
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    SonyEricsson GPRS modem datasheet

    Hello i've been looking for the "GR47/GR48 Technical Description" datasheet for a long time. I found the Specifications brochure (2 pages), but the technical datasheet is hard to find. Do someone has the datasheet that could share ? Many thanks, kind regards asena
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    4 -20 mA converter

    Well, in that case i cant help much, for i dont have any circuits. I design my circuits for the needs i have. THat way, each project is different. If youre looking for single supply opamps, one is quad LM324. And im sure youll find plenty of more, single or dual. I hope it helps asena
  11. A

    4 -20 mA converter

    Look around for ICs that are specialy made for that purpose. I remember that Burr-Brown had plenty. And im shure there are many more. If you dont want to use those chips, you can always use an ampop to convert the current to voltage. That way, youre able to ADC the voltages. asena
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    gps module

    About the U-BLOX GPS's, i can say that they are the best ive worked with so far. The best TTFF, accuracy and comms. The MS1 model is a good one, with a PLCC package. asena
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    [AD] PIC DevelopmentBoard

    Dear Electro Tech family, let me introduce the PrimeKit PIC Development Board II. First, here is the link: **broken link removed** or **broken link removed** PrimeKit PIC DevBoard II is a development board for Microchip® PICmicro® micro-controllers, and programming of...
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    tire pressure measurement

    DO you need to know the pressure every minute ? If not, you can use a RF chipset like the Chipcon's or Nordic's. www.chipcon.com www.nvlsi.com Use your uC to TX every groups of minuts, using the lowest power. Its enough from the tyre to the dashboard. Im using this chipset for...
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