Arduino MQTT Library for SIM800 GSM Modem

Hello tech freaks, hobbyists, enthusiasts and professionals, we are pleased to announce the open source project “SIM800 Arduino MQTT Library“. We welcome you to come and collaborate on this project. MQTT  is an ISO standard publish-subscribe-based messaging protocol for use on top of the TCP/IP protocol (is the underlying technology behind  Facebook Messenger). This MQTT client…

Interfacing SIM900A using PUTTY.exe

This GSM modem can accept any GSM network operator SIM card and act just like a mobile phone with its own unique phone number. Advantage of using this modem will be that you can use its RS232 port to communicate and develop embedded applications. Applications like SMS control, data transfer, remote control and logging can…

Interfacing SIM900a to computer .

  This GSM modem can accept any GSM network operator SIM card and act just like a mobile phone with its own unique phone number. Advantage of using this modem will be that you can use its RS232 port to communicate and develop embedded applications. Applications like SMS control, data transfer, remote control and logging…

Elementz Test Utility for GSM Modem

Embedded module manufacturing is incomplete without a proper test utility. We offer a nice, user interface for testing any type of GSM Modem which can be interfaced using UART Serial protocol with a system running Windows OS. Power supply requirement: For RS232 type modem mentioned in this link, requires adapter/battery of 12 Volt 1-2 Ampere…