Export of custom time period and file name for VisualHMI: set_export_name
When exporting record-type control…
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serial port screen/HMI development
The development materials for the configuration of VisualHMI serial port screens in Guangzhou Dacai cover practical content such as Modbus master-slave communication, LUA scripting, and configuration controls
VisualHMI screen rotation: set_lcd_rotate and multi-direction bin
During the runtime, the UI can be …
Read moreVisualHMI dynamic special effects: position, size, transparency, and easing animation
Dynamic Special Effects: Add smoot…
Read moreVisualHMI serial port upgrade (Private): remote programming project for the mainboard to the screen
Enable the user's mainboard (rathe…
Read moreVisualHMI control permissions: conditional display, hiding, enabling, and disabling
Control permission: Display/Toucha…
Read moreVisualHMI secure login: Hierarchical authorization and set_pwd password management
Secure Login: Assign hierarchical …
Read moreVisualHMI phased application (customized): dynamic password Lua metatable solution
The system installment is "locked …
Read moreVisualHMI staged application (system): expiration lock and set_stage_pwd
Installments (Rental Lock): Automa…
Read moreVisualHMI Recipe Application: Ingredient Record Management and One-click Switching and Issuing
Recipe: A set of product parameter…
Read moreVisualHMI video file conversion: MP4/H.264 format requirements and transcoding steps
Convert any video file into an MP4…
Read moreVisualHMI Simple Database: easydb_* and Custom Mode for Data Record Controls
The simple database (exclusive for…
Read moreVisualHMI Free UART Protocol (Active): UART_recv/calc_crc16 mapped to XGUS
The Free UART Protocol (Active) is…
Read moreVisualHMI Free UART Protocol (Passive): on_uart_recv Custom Frame Parsing
Custom Protocol (Passive): VisualH…
Read moreVisualHMI text color control: on_wgt_text_color batch theme switching
Text color control (exclusive for …
Read moreVisualHMI OTA upgrade: ota_init/ota_write and automatic upgrade via SD card
OTA Upgrade API: The upgrade logic…
Read moreVisualHMI video playback: play_video/on_video_notify and format requirements
The HMI series supports MP4 video …
Read moreVisualHMI audio playback: play_sound series and automatic continuous playback of MP3
Audio Playback API: Plays music fi…
Read moreVisualHMI File IO: LUA Read and Write SD Card/U-Disk/Flash and Directory Listing
Complete set of file read-write AP…
Read moreVisualHMI warning filtering: on_filter_warning multi-device warning distribution
Alarm Filtering Callbackon_filter_…
Read moreVisualHMI Warning Selection: on_select_warning displays disposal suggestions
Alarm selection callbackon_select_…
Read moreVisualHMI alarm parameter (Lua): on_parse_warning concatenates p0~p3 dynamic text
Alarm parameter callbackon_get_war…
Read moreVisualHMI warning parameter: {#0:num1.num2} placeholder and on_get_warning_param
The alarm parameter allows the ala…
Read moreVisualHMI LUA alarm centralized management: batch triggering of warning_set and parsing by 8 slaves
Alarm centralized management:warni…
Read moreVisualHMI drawing: on_draw/redraw/drawing API and layered drawing
Complete LUA graphics API: lines, …
Read moreVisualHMI data recording control: record_* API numerical/string table operations
Data recording control + record_* …
Read moreVisualHMI Timer: Complete case study on start_timer/on_timer and countdown
VisualHMI supports32 software time…
Read moreVisualHMI Modbus one master and multiple slaves: start_read polling, cycle scheduling, and read/write slaves
Modbus One Master Multiple Slaves:…
Read moreVisualHMI Lua API Complete Guide: Quick Reference Table for Callback, Communication, and Register Read/Write Functions
This is the complete API manualfor…
Read moreVisualHMI register operation: detailed explanation of the full range of get/set APIs and caching mechanism
The register operation API is the …
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