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Recent content by huyNX

  1. H

    SiM508 module reference circuit needed?

    how to sim508 evb SIM508 EVB
  2. H

    O2 White Paper: How GPRS works

    how gprs works Thanks, I looking for this How SIM300 module work with GPRS mode?
  3. H

    Power supply for SIM300

    power supply for sim300 I use LM350
  4. H

    Problems with SIM300 as it doesn't detect the sim card

    simcom 340 rts and cts When init with AT+CPMS (SM or ME parameter) I have CMS ERROR:517 "SM BL not ready" How to fix it?
  5. H

    Problem with power switching off in SIM300 module

    why call ready sim300 I just order SIM300 module Maybe it's problem of power suply. I have read datasheet - this module need 2A (even 3A) in some case.
  6. H

    Problems with SIM300 as it doesn't detect the sim card

    sim300_v7.03 datasheet free download There are some version of SIM300 I use SIM300C (ver with dip board) Here is SIM300C EVB
  7. H

    Problems with SIM300 as it doesn't detect the sim card

    sim300 reference circuit Can I use LM317 to supply power for SIM300C module? Can it send and receive SMS with 1.5A current supply?
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