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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.

  • 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 skywalker

  1. S

    Gr47 - Gsm Module Help

    Hi igofone, many thanks for your help. But I still confuse, why we must monitor 2.7v line as GR74 operates with 3.6v line according to datasheet. Would you help me by sending your schematic(pdf based if you don't mind) for turning module on/off and monitoring line to my email...
  2. S

    Gr47 - Gsm Module Help

    Hi, i'd like to know about power supply for turning on GR47 as it requires up to 2A while transmission peak. Any helps would be greatly appreciated.

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