Building a Smart Home with MQTT: Two-Way Communication using Home Assistant and ESP32 (Part. 1) @ThatProject
Building a Smart Home with MQTT: Two-Way Communication using Home Assistant and ESP32 (Part. 1)  @ThatProject
Uploaded June 2023 | Updated September 2026, 2 weeks ago
In this video, we explore the fascinating world of two-way communication using MQTT (Message Queuing Telemetry Transport) between Home Assistant and an ESP32 microcontroller. With MQTT, we establish a seamless connection between the Home Assistant platform and the ESP32, allowing for real-time sensor data exchange and control.

Through a step-by-step demonstration, we showcase the entire workflow of setting up this powerful communication system. Without delving into the intricate details of MQTT, we focus on providing a practical guide to integrate the ESP32 with Home Assistant and leverage its capabilities for home automation and monitoring.

Throughout the video, you'll witness how easy it is to attach various sensors to the ESP32 microcontroller and observe the sensor data in real-time on Home Assistant's intuitive user interface. Whether it's temperature, humidity, motion, or any other type of sensor, the possibilities are endless.

Furthermore, we highlight the bidirectional nature of MQTT by showcasing how you can send specific commands or data from Home Assistant's dashboard directly to the ESP32. This opens up a world of possibilities for interactive automation, where you can control devices or trigger actions on the ESP32 remotely, right from the convenience of Home Assistant.

Join us on this exciting journey as we bridge the gap between Home Assistant and ESP32 using MQTT, and unlock the full potential of smart home automation and monitoring.

[Home Assistant Project] Part 0, Raspberry PI-based Home Assistant preparation and basic settings.
youtu.be/95CcgXDtMaM

[Home Assistant with multiple ESP32 Cameras! (Part. 2)]
youtu.be/MjZjyK1WgjY

[Consistent Overhead Byte Stuffing (COBS)]
en.wikipedia.org/wiki/Consistent_Overhead_Byte_Stuffing

[SenseCAP Indicator x Home Assistant Application Development]
wiki.seeedstudio.com/SenseCAP_Indicator_Application_Home_Assistant

[Project Github]
github.com/0015/ThatProject/tree/master/ESP32_MQTT/Base_ESP32_HomeAssistant

#HomeAssistant #MQTT #ESP32 #ThatProject #SmartHome
Building a Smart Home with MQTT: Two-Way Communication using Home Assistant and ESP32 (Part. 1)ESP32 Marauder For T-Deck #flipperzero #ESP32 #hackESP32 Pixel Clock #pixel #art #clockRaspberry Pi 5 + AI camera + 3.5”Display = AI Camera All-in-One System #ArduCam #PiNSIGHT #DepthAIA Monitor Without a Backlight? Testing the Eazeye RLCD Indoors & Outdoors!3D Renderer running on Arduino #ESP32 #Teensy #TGX #3D #OBJI built THIS on my garage wall... and I messed upLVGL Tutorial with ESP32, Custom fonts are essential in GUI! #Font #LVGL #GUI30 FPS, 1920x1080, This device will play a big role in your project. #MCU #IoT #Camera #ThatProjectRaspberry Pi 4 8GB - Total cost: $91.89Easy On-Screen Controls for Embedded GUI | Creating a Virtual Joystick in LVGLThey asked Can it run DOOM? so I did this.
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Building a Smart Home with MQTT: Two-Way Communication using Home Assistant and ESP32 (Part. 1)

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