This github includes the complete circuit & code for Interfacing Bluetooth Module & GSM Module with single Arduino using Software Serial ...

Abstract: This paper represents a design and implementation of a Wireless Heart rate monitor system using ARDUINO Lilypad which is enabled with the feature of sending SOS messages or calls through GSM ...

Another break-out board designed to provide easy interfacing of the well-known GSM/GPS module, SIM900A. SIM900A is a complete integrated chip for GSM/GPS modem functions. It is a dual-band GSM/GPRS ...

The Smart Trolley System manages trolley items using RFID technology, displays real-time updates on an LCD, and sends SMS notifications with product details and total amounts via a GSM module.

Real Time Home Security System using GSM Technology-An Anti-theft System! This project deals with the design & development of a theft control system for home, which is being used to prevent/control ...