Turning on / off from a mobile phone, using Wi-Fi remote devices connected to the electrical assembly attached to this application and is an integral part of it. Without it, the application will not work. Because a special program is written for the microcontroller. System Feature: -------------------------------------------------- 1. Turn on, turn off. 2. The ability to save settings for different devices, which are then selected as an option from a list in the application. 3. PWM for AC vo