connecting the raspberry pi to sim8ool gsm module to send, receive sms, delete sms etc. SIM900/SIM800 are 2G only modems, make sure your provider supports 2G as it is already being phased out in a lot ...

It wasn’t that long ago that projects with cellular connectivity were everywhere, but with 2G no longer universally available, glory days of cheap 2G modules seem to be on their way out. So when [Data ...

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 ...

Arduino GPS tracker gives you complete control over your tracking data without expensive monthly subscriptions. This comprehensive project shows you how to create a fully functional GPS tracking ...

Abstract: The security system of home and building is an important issue to human daily life. We develop a multiple remote interface security system (MRlSS), that integrated with intelligent security ...

The reference design features a boost converter, linear charger, and supercapacitor optimized for minimal space, ensuring reliable power in metering devices during outages. Smart meters are gaining ...