05 Lua Script

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= **1 64bits Address Basic Algorithm** =

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The example shows how to do the Addition, Subtraction, Multiplication and Division for HMI internal address.

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[[Download link>>https://drive.google.com/file/d/1ji5RbQJzUn_rQ2couX062fYt_6dqQNRb/view?usp=sharing]]

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= **2 MQTT Client** =

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The example shows how to connect to the MQTT server.(Test on MaQiaTTo)

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[[Download link>>https://drive.google.com/file/d/1LWLaOlhWB3BRSTLy3_2RC6Yb0wK7slEB/view?usp=sharing]]

= **3 Timer** =

The example shows how to use the Lua Timer function.

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[[Download link>>https://drive.google.com/file/d/1iwD2Kca9SIAGCYFBaQbn26zdc4kIUuSV/view?usp=sharing]]

= **4 Trigger** =

The example shows how to use the Lua Trigger function.

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[[Download link>>https://drive.google.com/file/d/1GDCbbMgNSixonXP2erA0VoJbo7qagsCv/view?usp=sharing]]

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= **5 User Free Protocol** =

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The example shows the simple write and read of User Free protocol

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[[Download link>>https://drive.google.com/file/d/1v8UZvdclq3OGEajkbd78w7_XY2bY2qAe/view?usp=sharing]]

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= **6 Arabic Keypad** =

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The example shows how to use the Lua to achieve the Arabic keypad. Also available for other non-English language like Cyrillic.

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[[Download link>>https://drive.google.com/file/d/1JqpTRRqj6db32aLn7tqqO8dWT6EuXBEL/view?usp=sharing]]

= **7 FTP Client** =

The example shows how the to establish the FTP server at WIN10 OS and make the HMI as FTP client.

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[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/FTP%20Client.zip]]

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~1. About how to set up the FTP server in Windows PC: **[[Build an FTP Site on IIS>>https://docs.microsoft.com/en-us/iis/publish/using-the-ftp-service/scenario-build-an-ftp-site-on-iis]] **,** [[How to set up and manage an FTP server on Windows 10>>https://www.windowscentral.com/how-set-and-manage-ftp-server-windows-10]]**

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2. Enter PC (FTP Server) IP address and port number (Default 21).

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(% style="text-align:center" %)

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[[image:LuaFTPDemoIP&Port.png]]

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3. Change the filename of the file that needs to be uploaded. If run on as Offline Simulator, the simulate upload path of "udisk:1.png" will be "C:\WECON\USB\1.png" on the PC.

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(% style="text-align:center" %)

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[[image:LuaFTPDemoUpload.png]]

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4. Change drive letter of file save path according to drop-down list (There are three option available: Flash, UDisk and SDCard).

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(% style="text-align:center" %)

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[[image:LuaFTPDemoDropBox.png]]

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5. Change the filename of the file that needs to be downloaded from PC(Server).

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(% style="text-align:center" %)

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[[image:LuaFTPDemoDownload.png]]

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6. Set the default configuration in file "Script_BG.lua"

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(% style="text-align:center" %)

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[[image:LuaFTPDemoInitial.png]]

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✎Note: If want to confirm whether it is downloaded successfully, please add a File list object to check in HMI project. If saved path is root path (same to the all three drive), please set the folder as "~/~/".

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(% style="text-align:center" %)

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[[image:LuaFTPDemoFilelist.png]]

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= **8 Telegram Notification** =

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The example shows how to use Bot API to push the notification to channel or group of Telegram. Please change the Token and Chat id to users' own one.

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