4 x 9W Light Bulb Smart Home System w/Bluetooth Pushbutton Remote, ESP32 & 5V Relay Modules

This video tutorial provides an update on the ESP32 Smart Home 4 Light Bulbs System. It introduces a new controller using an ESP32 device that pairs with the system via classic Bluetooth, eliminating the need for an Android phone. The tutorial includes Fritzing diagrams for both the light bulb system and the remote control. The setup involves a breadboard power supply and a flip-flop mechanism that allows a single button to toggle each light bulb on and off. The video also discusses the removal of a problematic fifth button and offers code for download. Viewers are encouraged to ask questions if they encounter issues.

What technology is used to pair the ESP32 devices in the smart home system?

• Wi-Fi

• Classic Bluetooth

• Zigbee

• Infrared

What is the purpose of the Fritzing diagrams shown in the video?

• To demonstrate the Bluetooth pairing process

• To provide a visual guide for the system and remote setup

• To show the layout of the ESP32 devices

• To illustrate the power supply connections

How are the light bulbs controlled in the ESP32 Smart Home System?

• Via a remote control with a screen

• By pressing respective push buttons

• Through voice commands

• Using a smartphone app

What is the unique feature of the flip-flop mechanism used in the system?

• It allows for remote control via Wi-Fi

• It enables the use of a single button to toggle the light on and off

• It supports voice activation

• It requires holding the button down to keep the light on

Why was the fifth button removed from the system?

• It caused interference with the Bluetooth connection

• The code for the fifth button was not functioning correctly

• It was too expensive to implement

• It was not compatible with the ESP32