Changes for page LTS5 LoRa HMI Touch Screen

Last modified by Dilisi S on 2025/02/26 19:24

From version < 54.1 >

edited by BoYang Xie
on 2024/09/28 18:56

To version < 56.1 >

edited by Xiaoling
on 2024/10/18 16:13

Change comment: There is no comment for this version

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--(% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
++(% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents:**
  {{toc/}}
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  == 1.1  What is LTS5 LoRa HMI touch screen ==
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  LTS5 is a (% style="color:blue" %)LoRa / LoRaWAN HMI Touch Screen(%%) designed for display purpose of IoT project. It have a 5.0" HMI touch screen, and support WiFi, Bluetooch, LoRa wireless protocol.
  LTS5 is an Open Source software project. The MCU is ESP32 and Dragino LA66 LoRa module. There are lots of development source for ESP32 which can greatly reduce the development time.
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  == 1.2  Features ==
--* ESP32-WROOM MCU + Dragino LA66 LoRa Module
++* ESP32-WROOM MCU: 8MB RAM & 16MB ROM
++* Dragino LA66 LoRa Module
  * Support Private LoRa protocol or LoRaWAN protocol
  * Support WiFi & BLE wireless protocol
  * 5.0" HMI touch screen
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  * 5V DC power
  * IP Rating: IP52
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  == 1.3  Specification ==
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  **LoRa**:
++* Frequency Range: 870 MHz ~~ 960 MHz
++* TCXO crystal to ensure RF performance on low temperature
++* Maximum Power +22 dBm constant RF output
++* High sensitivity: -148 dBm
++* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
++* LoRa Rx current: <9 mA
  **WiFi:**
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  == 1.4  Power Consumption ==
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  * External 5V DC power adapter
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  == 1.5  Storage & Operation Temperature ==
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  * Operation Temperature: -20 ~~ 70°C  (No Dew)
  * Storage Temperature: -30 ~~ 70°C  (No Dew)
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  == 1.6  Applications ==
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  * Smart Buildings & Home Automation
  * Logistics and Supply Chain Management
  * Smart Metering
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  * Smart Cities
  * Smart Factory
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  = 2.  Getting Started with Hello World =
  == 2.1  About this demo ==
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  In this Getting Started Example, we will show how to design a simple Display UI and upload it to LTS5. This UI has  a button , when user click the button. The Web UI will jump to a new page.
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  == 2.2  Install Software Running Environment ==
  The ESP MCU can be developed using ESP-IDF, Arduino, or MicroPython. For this project, we utilize ESP-IDF for compilation and Visual Studio Code (VSCode) for editing.
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  === 2.2.1 Install VSCode and ESP-IDF extension ===
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  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]].
  Next, you need to install the ESP-IDF extension within VSCode. The detailed operation steps are illustrated in image 1.
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  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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  === 2.2.2 Install SquareLine Studio ===
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  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]].
  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.
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  == 2.3 Simple usage of SquareLine Studio and export UI code ==
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  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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  [[image:image-20240928103357-2.png||height="680" width="708"]]
                                                              image 2 create a SquareLine project
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  Now we can start to use this software. Here are some usage information for this software.
--**1.add widget**
++**~1. add widget**
  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.
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                                                                                         image 5 add widgets
--**2.modify widget**
++**2. modify widget**
  The area for modifying widgets is called "Inspector". There are four parts in the "Inspector" tab. We use three of them more frequently, excluding "COMPONENT". The second part is aimed at adjusting the layout, size, position, alignment, flags, and states, etc. of widgets. The name of the second part indicates the type of widget it is representing, and in image 6, it is "BUTTON".
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             image 8 add event for button
--**3.change label widget content**
++**3. change label widget content**
  Modify the content in text as shown in image 9, the text content of label widget will be changed accordingly.
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               image 9 modify text content of label widget
--**4.Add image into project**
++**4. Add image into project**
  To use the image widget, you should first add an image to your project. The image format must be PNG, and its resolution should not exceed 800x480 pixels. There are two ways to add an image file. One way is to move your image into the folder "…/squareline project/assets/", as shown in image 10. The other way is to click the "ADD FILE INTO ASSETS" button, then select an image from your computer to import. After adding, you can see the image in the "assets" area in SquareLine Studio, as demonstrated in image 11.
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                                                              image 11 use image widget in SquareLine Studio
--**5.The relationship between widgets**
++**5. The relationship between widgets**
  There are two common relationships between widgets: one is parallel, the other is parent-child. The parallel relationship means that widgets' relative position is based on a collective object of reference. In parent-child relationship, the parts of the child object that are outside the boundaries of the parent object are not visible by default. Therefore, we need to adjust the position of the child object so that it falls within the range of the parent object, allowing it to be seen as illustrated in image 13.
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                                  image 13 move label1 to make label1 widget be a child of button1 widget(2)
--**6.Preview the final effect**
++**6. Preview the final effect**
  An advantage of this kind of software is that you can edit the UI with quick previews. In other words, it provides a way of combining graphical programming with simulation immediately.
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  == 2.4 Integrate UI Code to ESP-IDF Project ==
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  To achieve the integrating, we first need to export the UI code, then make some modifications, and finally relocate the UI code to a specific position within the project.
  [[image:1727229798126-306.png]]
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                                                     image 20 add "ui_init()"
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  == 2.5 Brief introduction of hello world project ==
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  The project consists of two screens. The first screen displays the company's logo, the project name, and a button to navigate to the next screen. The second screen presents some information about this HMI screen product through an image and includes a button to return to the previous screen.
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  == 2.6 Test Result ==
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  By pressing the button lying bottom right, the screen can switch to another as expected. This indicates that the UI file has been successfully integrated into the project and is now effective.
  [[image:1727488067077-684.png||height="402" width="574"]]
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                                                         image 22 screen2
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  = 3. Example Project 1: LoRa Central Display =
  [[image:image-20240916101737-1.png||height="468" width="683"]]
--
  = 4. Example Project 2: LoRaWAN RS485 Alarm =
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  == 7.1  Part Number ==
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  Part Number: (% style="color:#4472c4" %)LTS5
  == 7.2  Packing Info ==
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  **Package Includes**:
  * LTS5 HMI Touch Screen
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  * 5V,2A DC Power Adapter.
  * USB Type C Program Cable
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  = 8.  Support =
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  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
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  = 9.  Reference material =
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  * Datasheet
  * Source Code
  * Mechinical
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  = 10.  FCC Warning =

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