• 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.


  1. S

    I wanna GSM + MCU combo board

    Hi, I need a GSM + MCU combo board for making one POC. Arduino based preferred. Kindly anyone helps me out or suggest some solution for it so looks smaller in size also
  2. arhmrq

    SIM800 APN erases

    Good afternoon, I have a problem when connecting to the GPRS network with a cheap SIM800 L I bought on ebay. After configuring it with the APN of my network provider (do not require a password): AT+SAPBR=3,1,"Contype","GPRS" AT+SAPBR=3,1,"APN","internet.nuevatel.com"...
  3. Z

    sim800 and ssl

    Sim800 supports SSL protocol. AT command "AT+CIPSSL" sets TCP to use SSL function. Module will automatic begin SSL certificate after TCP connected. My Problem: how get SSL certificate? where SSL certificate is save?
  4. C

    Send email (SSL) with SIM800 or SIM900 GSM Modules

    Hello Has someone been able to send an email with SIM900 or SIM800L modems ? I have SIM800L with firmware B04 that supports SLL. I'm trying to send an email with AT Commands but i always get the error code +SMTPSEND : 62 Can someone show me the commands to success, as a try i would like to...

Latest threads

EE World Online Articles