This is a smart irrigation system that uses a soil moisture sensor and a GSM module (SIM900A) to automate irrigation and send SMS alerts. The system controls a water pump through a relay based on soil ...

This project aims to build a smart industrial protection system that monitors temperature, humidity, and gas leakage. The system uses a DHT22 sensor for temperature and humidity readings, a gas sensor ...

Abstract: System based on CORTEX M3 core board and high performance industrial GSM/GPRS module SIM900A as the core of design, design a kind of automatic SMS alarm smoke gas detection system. The core ...

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 ...