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SIM900-Arduino-Relay-Control This project uses GSM Module (SIM900) with Arduino to switch Relay state by SMS OR CALL.

Working Explanation In this project, Arduino is used for controlling whole the process. Here we have used GSM wireless communication for controlling home appliances. We send some commands like ...

This GSM security switch project is based on Arduino Nano and SIM800L.The alert system is configured to send an SMS in response to a security switch action.

NORVI GSM is an industrial controller based on ESP32 WiFi & BLE SoC and a choice of 2G or 2G/3G/4G LTE cellular modems, plus various I/Os.

Swift Automatic Transfer Switch based on Arduino Mega 2560,Triacs Bluetooth and GSM Abstract: A ceaseless supply of electricity is essential for all developmental sectors and even more important ...

India faces the issue of energy theft at a very large scale. This paper introduces a system that removes human intervention in meter readings and bill generatio ...

The programmable timer features and up counter, down counter, and point accumulator that can be programmed manually using only one on-board button, or digitally with your Arduino or Raspberry Pi.

When notes stuck to the water heater failed [Ryan] decided to whip up “the world’s most expensive 240V relay” using a servo, a real time clock and of course an Arduino. All in an attempt to ...