It is very easy to build an “SMS-controlled relay” with the help of a cheap GSM modem module and a small microcontroller board. Here, I’m using the SIM800L and Arduino Nano V3 to develop a nifty ...

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 ...

This Arduino sketch implements the SOS alert mechanism in the smart helmet system. It enables the rider to send their real-time GPS location to emergency contacts through an SMS using the SIM800L GSM ...

Hardware To start, set up the hardware as shown below. Naturally, you’re going to need a valid SIM card to fully use the SIM800L module. For compactness, my setup was tested with a 1S (3.7-V) Li-ion ...

The system is made using sensors like GPS Neo 6m, Arduino, GSM Sim800L. Here, different IoT platforms, Different IoT tools, sensors, different programming libraries, APIs usages, server hosting and ...

Arduino has announced four new Nano microcontroller-based boards that will be available for developers and makers in late July. The new lineup is compatible with the original Nano boards and ...