Arduino GSM 4 Articles Hack Anything Into A Phone September 29, 2015 by Al Williams 21 Comments ...

SIM800L GSM Module Connections (Requires Level Shifting) The SIM800L module needs special attention because it operates at 3.3V logic levels while Arduino uses 5V. We need a voltage divider circuit to ...

arduino gsm security alarm Working of the system is very simple and self-explanatory. When input power is applied to the system, the system goes into standby mode. However, when the terminals of ...

GSM-Based-Voltage-Alert-System-using-Arduino-SIM800L This project monitors voltage using a potentiometer connected to an Arduino. When the voltage reaches 4.8V or higher, the system automatically ...

System resets when no fire/smoke is detected. Code File 📂 Filename: fire_alarm_system.ino 📌 Language: Arduino C++ Installation & Setup Connect the hardware as per the circuit diagram. Upload ...

Ever wished your Arduino could send you an SMS alert when something important happens—like an intruder detected by your DIY security system, or a gas leak in your kitchen? With just an Arduino UNO R4 ...

Arduino devices have had the option of a GSM linkup for awhile, but getting that cellular link to truly strut its stuff hasn't always been easy, even for those of us who'd be inclined to program ...

Floods are one of the annual natural disasters experienced by Malaysia and the rest of the world. Destruction of infrastructure, economic losses, and casualties are among the adverse effects of floods ...