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113	113	* Implementing functionality to navigate the Web UI to a new page when the button is clicked.
114	114	* Uploading the UI to the LTS5 device.
115	115
116		-
117	117	By completing this demo, you will gain foundational knowledge for customizing the LTS5 interface and building more advanced IoT applications.
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120	120	== 2.2  Install Software Running Environment ==
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123		-The **ESP MCU** supports development using **ESP-IDF**, **Arduino**, or **MicroPython**. For this project, we use **ESP-IDF** for compilation and **Visual Studio Code (VS Code)** as the development environment.
	122	+The **ESP MCU** supports development with **ESP-IDF**, **Arduino**, or **MicroPython**. We use **ESP-IDF** for compilation and **Visual Studio Code (VS Code)** as the development environment for this project.
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125	125
126		-=== 2.2.1 Install VSCode and ESP-IDF extension ===
	125	+=== 2.2.1 Install VS Code and ESP-IDF extension ===
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128	128
129		-Firstly, download and install VSCode for your computer's operating system from the official website: [[Download Visual Studio Code - Mac, Linux, Windows>>url:https://code.visualstudio.com/download]].
	128	+First, download and install **VS Code** for your operating system from the Visual Studio Code website: [[Visual Studio Code - Mac, Linux, Windows>>https://code.visualstudio.com/download]].
130	130
131		-Next, you need to install the ESP-IDF extension within VSCode. The detailed operation steps are illustrated in image 1.
	130	+Next, install the **ESP-IDF** extension within **VS Code**. Detailed steps for this process are shown in Image 1.
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	132	+
133	133	[[image:image-20240928110211-5.png||height="508" width="866"]]
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135		- image 1 ESP-IDF extension install
	135	+ Image 1: ESP-IDF extension install
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137	137	Links for reference: [[Install ESP32 ESP-IDF on Windows and Integrate with VS code (esp32tutorials.com)>>url:https://esp32tutorials.com/install-esp32-esp-idf-windows-integrate-vs-code/#:~~:text=In%20this%20tutorial,%20we%20will%20show%20you%20how%20to%20install]]
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140	140	=== 2.2.2 Install SquareLine Studio ===
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142	142
143		-The version we are utilizing for this software is 1.4.2. You can download it from the official link: [[SquareLine Studio - Download the current version of SquareLine Studio>>url:https://squareline.io/downloads#lastRelease]].
	143	+Download and install the latest version of [[SquareLine Studio>>https://squareline.io/downloads#lastRelease]] on your computer. It supports Windows, Linux, and Mac OS. The software version we are using here is 1.4.2.
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145		-Please note that this software necessitates the registration of a license prior to usage, and various licenses come with distinct limitations. For instance, the free version imposes restrictions such as a limit of 1 component, 150 widgets, and 10 screens. However, for first-time downloads, you are granted unrestricted access for a period of 30 days without the need for immediate registration.
	145	+[[image:squareline.io_downloads.png]]
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147	147
148		-== 2.3 Simple usage of SquareLine Studio and export UI code ==
	148	+After installation, you can use SquareLine Studio with a **PERSONAL license plan**. Click **LOG IN** and create a free account using your email address. Then activate your PERSONAL license plan for free. You don’t need to provide any credit card information. However, the PERSONAL license plan has the following limitations:
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	150	+* Max. 10 screens
	151	+* Max. 150 widgets
	152	+* Max. 5 global colors
	153	+* Max. 2 themes
	154	+* Max. 1 component
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151		-After launching and logging in to this software, create a project as shown in the following image 2. The version of LVGL is 8.3.11.
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	157	+== 2.3 Simple usage of SquareLine Studio and exporting UI code ==
	158	+
	159	+
	160	+After launching and logging into the software, create a new project as shown in Image 2.
	161	+
	162	+* Select the major **LVGL** version as **8.3**.
	163	+* Select the **Desktop** tab.
	164	+* Select  **Eclipse with  SDL for  development on PC**:
	165	+* In the **PROJECT SETTINGS**, select **LVGL version** **8.3.11**
	166	+* Select the **CREATE **button.
	167	+
	168	+
153	153	[[image:image-20240928103357-2.png||height="680" width="708"]]
154	154
155		- image 2 create a SquareLine project
	171	+ Image 2: Creating a new SquareLine project
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157		-Next, we need to make some settings for this project. By clicking in the specified order on image 3, we can see the page as shown in image 4.
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	174	+Next, you need to configure some settings for this project. By clicking in the specified order shown in Image 3, you will be directed to the page displayed in Image 4.
	175	+
	176	+* Select File  -> Project Settings
	177	+
159	159	[[image:1727229582471-566.png]]
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161		- image 3 project settings
	180	+ Image 3 accessing project settings
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	182	+
	183	+In the PROJECT SETTINGS dialog box, configure/modify the project settings:
	184	+
	185	+* **UI Files Export Root**: Select a folder on your computer to store the UI files.
	186	+* **LVGL Include Path**: Set this to **lvgl.h**
	187	+* **Click on the APPLY CHANGES button.**
	188	+
163	163	[[image:image-20240928105309-4.png||height="526" width="556"]]
164	164
165		- image 4 modify project settings
	191	+ Image 4 Configure/modify project settings
166	166
167		-Now we can start to use this software. Here are some usage information for this software.
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	194	+Now you can start building the UI. Follow the steps below:
	195	+
	196	+
169	169	**~1. add widget**
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171	171	To add a widget, you should click a widget you want to add at the area entitled “Widgets”. In image , demonstrate a add process of label, button, and image 5.