RASPBERRY PI ZERO (server LAMP and OpenVPN)
ESP8266 (ESP01) 1 or 4 RELAYS
With or without Nuvoton (command sent in HEX or STRING by PHP)
Add the option to use Arduino Cloud
Add mariaDB to save the operations in ESP8266 (when and what). It is done by php or direct from esp code.
Raspberry pi Zero is the server with Apache, Mysql or Postgres, PHP and OPENVPN installed. Files on folder "iot_github" must be placed in the raspberry´s folder "www/html". Where the apache files are!
ESP8266 (ESP1) will control the relays (1, 2 or 4 versions) by commands from "its webserver" running it self and acess by browser or from HEX commands or STRING commands from PHP installed in Raspberry.
It was tested in LC Tech solutions.
Control remote of switches/relays.
https://randomnerdtutorials.com/projects-esp8266/
https://www.letscontrolit.com/
http://arduino.esp8266.com/Arduino/
http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/