Stepan Bechynsky

Connectivity is crucial for Internet of Things concept. For moving devices like position data loggers is typical solution GSM network. I will show you how you can use different types of GSM network for your IoT projects.

GSM network is easy way how to connect almost any device to internet. There are lot of GSM modules on market from different vendors but all devices has one thing in common - AT commands. There is standardized AT commands set for GSM networks. Using AT command you can send text messages, read phone number from list on SIM card, connect to internet and much more. I will show you basic command set for HTTP communication using basic GSM module SIM900 and Arduino.