ESP32 and Home Assistant MQTT Setup in 10 Minutes! [Lesson #3]

Want to build a real smart home system using your ESP32? In this tutorial, you’ll learn how to connect your ESP32 to Home Assistant and send real-time sensor data using MQTT. This is an essential step in making your ESP32 interact with your smart home automations!
By the end of this video, your ESP32 will be publishing temperature, humidity, or light sensor data wirelessly to Home Assistant, opening up endless automation possibilities! 🌍✨

📌 What You’ll Learn in This Video:
✅ What is MQTT and how does it work?
✅ How to set up an MQTT broker in Home Assistant
✅ How to send sensor data from ESP32 to MQTT
✅ How to view live sensor updates in Home Assistant

________________________________________
📌 🔗 Used in this video:

🔗 ESP32 Board https://www.amazon.com/ESP-WROOM-32-Development-Microcontroller-Integrated-Compatible/dp/B08D5ZD528/ref=nosim?tag=diysensors-20

🔗 Breadboard starter kit https://www.amazon.com/Breadboard-Jumper-Solderless-Breadboards-Tweezer/dp/B0BNH7LYH3/
or
🔗 Breadboard https://www.amazon.com/Breadboards-Solderless-Breadboard-Distribution-Connecting/dp/B07DL13RZH/ref=nosim?tag=diysensors-20
and
🔗 Dupont wires https://www.amazon.com/EDGELEC-Breadboard-Optional-Assorted-Multicolored/dp/B07GD2BWPY/ref=nosim?tag=diysensors-20

🔗 Full Code Used in This Video https://github.com/DIY-Sensors/ESP32-for-Smart-Homes--The-Ultimate-Beginner-s-Guide/tree/main/Arduino-Code

✍️Code added to the configuration.yaml file:
mqtt: !include mqtt.yaml

✍️Code added to the mqtt.yaml file:
- sensor:
- name: MQTT Demo
unique_id: "mqtt_demo"
state_topic: "Office/Sensor/Demo"

💡 What’s Next? Watch These!
▶️ ESP32 + I2C 🤔→ [Coming soon]
▶️ ESP32 with multiple sensors
▶️ ESP32 Battery Power + Deep Sleep Mode – Long-lasting IoT projects! → [[Coming soon]

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💬 Leave a comment below: What’s the first project you want to build with your ESP32?

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🕘 Chapters:
00:00 - Intro: What You'll Learn in This Video
02:57 – Step by step, How to install MQTT to Home Assistant
04:57 – Starting MQTT in Home Assistant
05:39 – Adding WiFi to the ESP32
07:47 – Adding WiFi and MQTT to the ESP32
10:13 – Demonstration of MQTT, ESP32 sending MQTT and Home Assistant receiving MQTT
12:10 – Improve your Arduino dode for WiFi and MQTT
16:27 – Remove you credentials from your Arduino code
18:40 - End

🎵 Music used:
Music track: Rainy Day by Avanti
Music track: Once Again by Moavii
Music track: Summer Bliss by Ocean Bloom
Music track: Atmospheric Guitar by Pufino
Music track: Zero by Sunova
Music track: Dream Potion by tubebackr
Music track: Start by Damtaro
All tracks are from:
Source: https://freetouse.com/music
Royalty Free Music for Video (Safe)

#ESP32 #MQTT #Arduino #Microcontrollers #ESP32Projects #IoT #SmartHome #DIYElectronics