In this project, we build a complete ESP32 GSM voice calling device using the GeoLinker GL868 board. The main idea of this project is very simple. When we press a push button connected to the ESP32 ...

MARTAS is a python package to support uninterrupted realtime data acquisition, secure and reliable realtime data transmission and a well organized data collection system, supporting realtime analysis ...

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Abstract: Since criminality is rising in the 21st century, people want to secure their property and belongings. So, everyone in this situation needs a secure system with cutting-edge technology.

Model Earth Syst Environ. 2023 Feb 6 : 1–18.

This simple GSM security switch project is based on Arduino Nano microcontroller (MCU) and SIM800L GSM modem (Fig. 1). The cellular-based alert system is configured to send an SMS in response to a ...

Street crimes are becoming very common nowadays. With the increase in these street crimes, the production of security systems is also increasing in the current century. Different types of modern ...

If you are looking for a compact GSM/GPRS module, you can get the SIM800L from most eBay traders. It is not the most judicious choice, but you can build your own basic GSM projects with a cheap modem ...

This project is designed using normally-closed reed switches connected to doors and windows and additional passive infrared (PIR) motion sensors to detect movement of a burglar or an unwanted intruder ...