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2025 | 【LCD 模組控制指南：從基礎操作到動態輸出】#11
0:00 LCD1602是什麼東西 ?
1:07 實驗介紹
1:34 LCD底層驅動程式
2:42 軟體I2C使用
2:57 LCD顯示" Hello World "
4:31 LCD顯示 【 兩行文字 】
5:15 LCD顯示 【 變數 】
📹 影片簡介
你是否曾經想過，讓你的 ESP32 做成人機介面，即時顯示各種感測器數據或溫馨提示？本影片將帶你一步步搞定！從接線、設定，到寫程式，我們將以淺顯易懂的方式，帶你學會如何用 MicroPython 控制 LCD1602 顯示器模組。
不只靜態文字顯示，我們還會挑戰讓螢幕動起來，讓資料「活靈活現」！🛠️✨
🏆 專案介紹與亮點
LCD1602 是最常見、最經典的文字型 LCD 顯示器，2 行 16 字元的設計，輕鬆勝任多種應用場景。不論是感測器讀數、訊息提醒，還是小型人機介面設計，它都能幫上大忙！
這次專案的超強特色包括：
🔗 簡化接線：
搭配 I2C 模組（使用 PCF8574 晶片），將繁瑣的 16 根訊號線壓縮成只需 2 根 (SCL、SDA)，節省 ESP32 腳位，讓你的專案更具擴展性！
🛠️ 靈活通訊技術：
使用 SoftI2C，即便是非預設的 I2C 腳位也能輕鬆搞定，打造更靈活、自由的開發環境！
🧠 從新手到進階：
從最簡單的靜態訊息顯示，到即時動態更新變數內容，全面掌握 LCD 操作技巧，循序漸進，不怕學不會！
📚 專為初學者設計：
就算你是第一次玩 ESP32 或 MicroPython，也能跟著影片輕鬆上手，手把手教學，無痛入門！
📝 影片內容一覽
步驟 1：硬體接線解析 🧩
清楚說明 LCD1602 + I2C 模組如何接到 ESP32，哪隻腳對哪隻腳，不怕接錯！
步驟 2：環境設定與驅動安裝 🖥️
教你如何快速建置 MicroPython 開發環境，並將 LCD 驅動程式上傳到 ESP32，一次設定搞定。
步驟 3：靜態顯示初體驗 ✨
學會在 LCD 上輸出你的第一句話！從「Hello World」開始，了解字元定位、游標操作等基本技巧。
步驟 4：動態變數更新挑戰 🔢
更進一步，讓螢幕顯示變數資料（例如：溫度、計數器等），畫面跟著數值即時更新，讓你的專案真正活起來！
🎓 結論與學習收穫
✨ 完成後你將會學到：
掌握 LCD1602 的基本架構與控制方式
熟悉 I2C 通訊介面 的原理與應用
能用 MicroPython 撰寫各種 LCD 顯示程式
靜態/動態顯示資料樣樣行，為你的專案加分
🌍 應用場景無限擴展：
感測器數據即時顯示（溫度、濕度、光照度…）
製作簡易儀表板或家庭自動化界面
機器狀態提示、小型裝置 UI 設計
智能家居資訊看板、各式通知裝置
🚀 特別小彩蛋！
影片最後還會加碼示範：如何用簡單的動畫效果（例如滾動文字或數字計數）讓你的 LCD 顯示更炫酷！別錯過哦！🎉
📹 Video Introduction
Have you ever wondered how to make your ESP32 "speak" and instantly display various sensor data or gentle reminders? This video will guide you step by step! From wiring and setup to programming, we'll teach you how to control an LCD1602 display module using MicroPython in a simple and easy-to-understand way.
Not only will we show static text display, but we'll also challenge you to make the screen move, bringing the data to life! 🛠️✨
🏆 Project Introduction and Highlights
The LCD1602 is one of the most common and classic text-based LCD displays, featuring a 2-line, 16-character design, perfect for a variety of applications. Whether it’s sensor readings, message notifications, or small human-machine interface designs, it’s incredibly versatile!
Key features of this project include:
🔗 Simplified Wiring:
By using the I2C module (with the PCF8574 chip), we reduce the 16 signal lines to just 2 (SCL, SDA), saving ESP32 pins and enhancing project scalability!
🛠️ Flexible Communication Technology:
Using SoftI2C, even non-default I2C pins can be easily handled, offering a more flexible and free development environment!
🧠 From Beginner to Advanced:
Start with simple static message displays, and progress to real-time variable updates. You'll master LCD operation techniques step by step, without the fear of not being able to learn!
📚 Designed for Beginners:
Even if this is your first time using ESP32 or MicroPython, you can follow the video and easily get started, with hands-on, no-pain teaching to help you enter the world of programming!
📝 Video Content Overview
Step 1: Hardware Wiring Explained 🧩
Clear explanation on how to connect the LCD1602 + I2C module to the ESP32, ensuring you get the pin connections right!
Step 2: Environment Setup and Driver Installation 🖥️
Learn how to quickly set up the MicroPython development environment and upload the LCD driver to the ESP32 in one go.
Step 3: Static Display First Experience ✨
Learn how to display your first message on the LCD, starting with "Hello World," and understand basic techniques like character positioning and cursor control.
Step 4: Dynamic Variable Update Challenge 🔢
Go further by displaying variable data (e.g., temperature, counters, etc.) on the screen, updating in real-time as values change, bringing your project to life!
🎓 Conclusion and Learning Outcomes
✨ By the end of this video, you will learn:
Master the basic structure and control methods of the LCD1602
Understand the principles and applications of the I2C communication interface
Write various LCD display programs using MicroPython
Display both static and dynamic data to enhance your projects
🌍 Endless Application Scenarios:
Real-time sensor data display (temperature, humidity, light intensity, etc.)
Create simple dashboards or home automation interfaces
Machine status notifications and small device UI designs
Smart home information boards, various notification devices
🚀 Special Bonus!
At the end of the video, we will also demonstrate how to use simple animation effects (e.g., scrolling text or counting numbers) to make your LCD display cooler! Don't miss it! 🎉
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#esp32 #LCD #micropython #mcu #教學系列 #教學課程 #LCD1602 #I2C #顯示螢幕 #電機 #程式語言 #thonny #ESP32教學
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