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👉 ESP32 WiFi+Bluetooth Development Board https://s.click.aliexpress.com/e/_c4O... What's up, everyone! 🙋‍♂️ After a few weeks off, I'm back with a video that will take your smart home to the next level. Today we're going to talk about something that's the true cornerstone of home automation: presence detection. A truly smart home isn't one you control from your phone, but one that knows exactly where you are and acts on your behalf. Imagine walking into your office and the lights and monitors turning on automatically, and everything turning off automatically when you leave. Now that's real convenience! 💡 Within the Home Assistant ecosystem, there are many techniques for tracking whether you're home or not: the native app's geolocation (which drains the battery and requires an internet connection), tracking via your router's Wi-Fi, or the new microwave presence sensors that are all the rage. But today I'm bringing you a revolutionary, affordable, and local alternative: detecting presence by room using Bluetooth thanks to ESPresense. 🚀 🛠️ What do you need to set up this system? For this project, you'll only need two basic components: A signal transmitter: Your own mobile phone, your smartwatch (Apple Watch, Wear OS, etc.), an activity tracker, or a Bluetooth Low Energy (BLE) key fob. A receiver or tracker: An ESP32 microcontroller (note that ESP8266s won't work because they don't have Bluetooth). This device will act as a node or bridge: it will read the Bluetooth signal from your devices and send the information via Wi-Fi to your server using an MQTT broker (like Mosquitto in Home Assistant). And each node costs less than 5 euros! 💸 💻 Step-by-Step Installation and Setup In this tutorial, I'll show you how to flash the ESPresense firmware onto your ESP32 directly from the Chrome browser. You'll see how to connect the node to your Wi-Fi network, assign it a name based on the room (for example, "office"), and link it to your Home Assistant MQTT broker. We'll also address one of the critical privacy issues: random MAC addresses. I'll explain how to obtain the IRK (Identity Resolution Key) on iOS devices so the system always recognizes them, and the ultimate trick for Android phones by activating the "BLE Transmitter" in the official Home Assistant app. No device will ever escape your radar again! 📲 ⚠️ The MQTT Room Sensor in Home Assistant (YAML Code) Although modern home automation is moving towards "Free YAML," the mqtt_room integration remains a classic and is configured manually. But don't worry: in the video, I'll show you the exact code you need to add to your sensors.yaml file. You'll learn how to fine-tune key parameters like the timeout (the grace period to prevent the lights from turning off due to a brief power outage if you're sitting still) and the away_timeout (so Home Assistant knows when you've completely left home). Finally, we'll create a unique and highly optimized automation to control the office lights using the "enter" and "exit" trigger IDs. Easy, inexpensive, and ultra-reliable! 🏠✨ ✨ Purchase Links 32" WR-32 TYPE-C CH340C/CP2102 WiFi+Bluetooth Development Board https://s.click.aliexpress.com/e/_c4O... If you enjoyed the video and are going to give this system a try in your home, leave a comment with the word PRESENCE. I want to know how many brave souls are ready to upgrade their smart home today! Don't forget to subscribe to the channel, hit the notification bell, and, as I always say... try to be 1% better today! Bye! 👨‍💻 00:00 What's up, guys? (Introduction) 01:39 What do you need? (Materials and ESP32) 03:55 What is ESPresense? 05:24 Node Installation (Flashing ESP32) 07:51 Adding Bluetooth Devices (Obtaining IRK) 11:17 Home Assistant Sensor (YAML Configuration) 14:31 Presence Automations 16:08 ESPresense Compatible Devices (iOS vs. Android) ESP32 Tutorials - ESPHome ✨    • Guía ESP32 completa Todo lo que te has pre...   ✨    • Termostato WiFi por 40€ vs Nest: Cuál es m...   ✨    • Reinicia tu Router en REMOTO sin Internet ...   #HomeAssistant #ESPresense #HomeAutomation #SmartHome #ESP32 #MQTT #Bluetooth #PresenceDetection #SmartHome #HomeAutomationTutorial