In the microcontroller era today, Arduino is more than just a tool to accomplish hobby tasks. There is actually a close relationship between microcontroller technology and home security, since you can ...

Put aside all of the projects that use an Arduino to blink ... microcontroller and has turned an Arduino Mega into a fully-functional home alarm system. The alarm can read RFID cards for ...

There’s a huge market for 433 MHz alarm system hardware out there ... From there, the code on the ESP can fire off using whatever API works for your purposes. In this case [Aaron] is using ...