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Changes for page 05 Lua Script

Last modified by Hunter on 2026/11/02 18:50
From version 26.2
edited by Hunter
on 2026/10/20 18:40
Change comment: There is no comment for this version
To version 35.1
edited by Hunter
on 2026/11/02 18:50
Change comment: There is no comment for this version

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726 726  
727 727  = 29 Graphics Drawing =
728 728  
729 -The example shows drawing a snow and a star on the HMI screen with drawing function from Lua Script.Please note that  use PI version 10.6 or higher to open the project.
729 +This demo shows how to draw static graphics, such as a snowflake and a star, on the HMI screen using Lua custom object.
730 +The drawing coordinate data can come from HMI internal registers or external PLC registers.
731 +This demo does not demonstrate dynamic path updates or motion animation. For dynamic trajectory visualization, refer to the [[Lua curve>>doc:PIStudio.09 Lua Editor.Lua Script.WebHome||anchor="HCurveDrawing28Experimental29"]].
732 +
730 730  [[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Graphics%20Drawing.pi2]]
731 731  
732 732  
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852 852  
853 853  [[Wechat Official Platform Sandbox>>https://mp.weixin.qq.com/debug/cgi-bin/sandboxinfo?action=showinfo&t=sandbox/index]]
854 854  
855 -
858 +To register a formal WeChat Official Account, please forward to:
859 +
860 +[[Weixin Official Accounts Platform>>url:https://mp.weixin.qq.com/]]
861 +
862 +~1. Login into the platform, and user can see the appID and appSecret, copy them for the further use.
863 +
864 +(% style="text-align:center" %)
865 +[[image:wechataccount.png]]
866 +
867 +2. User can scan the QR code on the left side to subscribe push notifications. And copy the Wechat ID.
868 +
869 +(% style="text-align:center" %)
870 +[[image:wechatID.png]]
871 +
872 +3. Click [Add test template] to create a new notification template.
873 +
874 +(% style="text-align:center" %)
875 +[[image:wechatTempalte.png]]
876 +
877 +4. Enter the title and content, then click submission, the content must follow this format: text: ~{~{text.DATA}}
878 +
879 +For example, use Alarm: ~{~{Alarm.DATA}}. For multiple lines, format the content as follows:
880 +
881 +{{code language="lua"}}
882 +Device: {{Device.DATA}}
883 +Alarm: {{Alarm.DATA}}
884 +Time: {{Time.DATA}}
885 +{{/code}}
886 +
887 +(% style="text-align:center" %)
888 +[[image:wechatTempalteConten2.png]]
889 +
890 +5. After the template is created, copy the template ID.
891 +
892 +(% style="text-align:center" %)
893 +[[image:wechatCopyTempalte.png]]
894 +
895 +6. Paste all these IDs(appID, appSecret, wechatID and templateID) into the lua script.
896 +
897 +(% style="text-align:center" %)
898 +[[image:wechatscriptcopyID.png]]
899 +
900 +7. Trigger the alarm condition, and user will receive an alarm notification from the WeChat Official Account.
901 +
902 +(% style="text-align:center" %)
903 +[[image:WechatResultResize.jpg]]
904 +
905 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/WechatAlarmPushNotify.zip]]
906 +
907 += 37 Discord Bot API Notification =
908 +
909 +This example shows how to set up the Discord bot and send the alarm push.
910 +
911 +[[My Applications ~| Discord Developer Portal>>url:https://discord.com/developers/applications]]
912 +
913 +About how to create a Discord bot, please refer to [[Building your first Discord Bot - Documentation - Discord>>url:https://docs.discord.com/developers/quick-start/getting-started]]
914 +
915 +About how to send new message to channel, please refer to [[Message Resource - Documentation - Discord>>url:https://docs.discord.com/developers/resources/message#create-message]]
916 +
917 +~1. Go to the Discord Developer Portal to create new application.
918 +
919 +(% style="text-align:center" %)
920 +[[image:Discord1.png]]
921 +
922 +2. Enter the application name, check the box to accept Discord’s terms, and click [Create].
923 +
924 +(% style="text-align:center" %)
925 +[[image:Discord2.png]]
926 +
927 +3. Click [Reset Token] to generate a new token, copy it for further use.
928 +
929 +(% style="text-align:center" %)
930 +[[image:Discord3.png]]
931 +
932 +(% style="text-align:center" %)
933 +[[image:Discord4.png]]
934 +
935 +4. Go to the Installation tab, set up the Guild Install, add bot in Scopes, add [Send Messages] and [View Channels] in Permissions.
936 +
937 +(% style="text-align:center" %)
938 +[[image:Discord11.png]]
939 +
940 +5. Copy the installation link and paste it into browser’s address bar.
941 +
942 +(% style="text-align:center" %)
943 +[[image:Discord5.png]]
944 +
945 +6. Click Add to Server.
946 +
947 +(% style="text-align:center" %)
948 +[[image:Discord6.png]]
949 +
950 +7. [View Channels] and [Send Messages] are enabled by default. Click [Authorize] to continue.
951 +
952 +(% style="text-align:center" %)
953 +[[image:DiscordAfterchangeScopeInstallLink.png]]
954 +
955 +8. Enable the Developer Mode on the settings.
956 +
957 +(% style="text-align:center" %)
958 +[[image:DiscordEnableDeveloperModel.png]]
959 +
960 +9. Create a channel, then right-click it and select [Copy Channel ID].
961 +
962 +(% style="text-align:center" %)
963 +[[image:DiscordCopyChannelId.png]]
964 +
965 +10. Paste the Channel ID and Bot Token into the Lua script.
966 +
967 +(% style="text-align:center" %)
968 +[[image:DiscordLua.png]]
969 +
970 +11. Trigger the alarm condition, and it will receive an alarm push from the Discord channel.
971 +
972 +(% style="text-align:center" %)
973 +[[image:DiscordResult.png]]
974 +
975 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/DiscordBotAPI.zip]]
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