📱 Learn how to control objects connected to an ESP32 board in a local network using an Android app.
🌐 Utilize the MQTT protocol for communication between the Android app and the ESP32 board.
💡 Download necessary extensions for creating the Android app and configure the ESP32 for local network connection.
📌 Subscribe to the topic 'light' to receive new data.
🔌 Control the LED connected to D4 based on the received data.
📡 Publish 'on' or 'off' to control the LED via the serial monitor.
📱 The tutorial focuses on creating an Android app using MIT App Inventor.
💡 The tutorial demonstrates how to connect the app to an ESP32 board and control an LED.
🔌 The tutorial emphasizes the importance of ensuring the program and connection are working correctly.
🔒 The video discusses the use of MQTT for local control with an Android app.
📱 The speaker demonstrates how to use buttons on the app to publish messages and control an ESP32 device.
⏰ The speaker also adds a timer component to automate certain actions on the ESP32 device.
The tutorial is about using MQTT for local control with an Android app using ESP32.
The video explains how to check the connectivity with the broker and program a button to connect to the broker.
The tutorial also covers adding the MQTT extension and extracting the necessary files for the project.
📱 Using an Android app to control an ESP32 device via MQTT.
🔄 Checking and displaying connection status between the app and the broker.
🔛/🔴 Programming on/off buttons to publish messages on respective topics.
📱 You can control a light using an Android app.
🔌 The extension and code error can be found on the official site.
👋 The video concludes with a farewell and invitation to visit again.
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《初級》你適合主觀交易還是程式交易?今天就讓我們來聊聊聊這個主題,透過我自己的經驗來跟你分享我的一些看法以及建議 [走進我的交易廚房/交易小貼士/你適不適合當交易員?]
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