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 ...

For many projects, a WiFi connection is overkill, too complicated, or too far away to work properly. Even though it’s relatively ubiquitous, sometimes the best choice for getting data to or from the ...

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 demonstrates how to design a wireless electronic notice board using SST89E516RD-40-C-PIE microcontroller. The notice boards are important in public places like railway stations, parks and ...