There's a lot you can do when it comes to smart home automation ... For example, many enthusiasts pair the ESP8266 with an Arduino, but you can also use it without one. You can program it directly ...

In essence, you connect a common 433 MHz receiver module to an ESP32 or ESP8266 microcontroller ... pulled them all together into a complete home automation system on the cheap.

It takes a special kind of fool to trust their home and potentially their life to a $5 development board and some Arduino source ... silenced through your home automation system in the event ...