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LCD Modules
  • 4 Inch Square LCD Display Touch Panel Smart UART Serial TFT Module 480*480 HMI LCD display software Small tft display
  • 4 Inch Square LCD Display Touch Panel Smart UART Serial TFT Module 480*480 HMI LCD display software Small tft display
  • 4 Inch Square LCD Display Touch Panel Smart UART Serial TFT Module 480*480 HMI LCD display software Small tft display
  • 4 Inch Square LCD Display Touch Panel Smart UART Serial TFT Module 480*480 HMI LCD display software Small tft display
  • 4 Inch Square LCD Display Touch Panel Smart UART Serial TFT Module 480*480 HMI LCD display software Small tft display
  • 4 Inch Square LCD Display Touch Panel Smart UART Serial TFT Module 480*480 HMI LCD display software Small tft display
4 Inch Square LCD Display Touch Panel Smart UART Serial TFT Module 480*480 HMI LCD display software Small tft display
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4 Inch Square LCD Display Touch Panel Smart UART Serial TFT Module 480*480 HMI LCD display software Small tft display

$13.00-$16.50/ Piece|1 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 5000 pieces）
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4 Inch Square LCD Display Touch Panel Smart UART Serial TFT Module 480*480 HMI LCD display software Small tft display

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Temperature Monitoring & Control: Features a 4-inch square TFT LCD display with real-time temperature display (e.g., 22°C), enabling precise control in temperature-sensitive environments.
  • Multi-Information Interface: Integrates date/time (e.g., Wednesday 19:02), location (e.g., Beijing), and weather conditions (e.g., cloudy) for contextualized monitoring.
  • Touch Screen Interaction: Equipped with a responsive touch interface for intuitive adjustments of settings, fan control, and system configurations.

Key features

  • 1. Material Technology

    • With IPS TFT technology and a glass touch screen, you can achieve vibrant color accuracy and a smooth user interface compared to standard TFT panels*. The metallic frame ensures durability in industrial environments.

  • 2. Interactive Design

    • With a responsive touchscreen interface, you can easily navigate settings, monitor data, and control functions without needing physical buttons*, offering intuitive interaction for both commercial and home use.

  • 3. Performance Parameters

    • With a 480x480 resolution display, you can view detailed graphics and complex interfaces with clarity surpassing lower-resolution modules*, enabling precise temperature monitoring and data visualization.

  • 4. Scenario Solutions

    • With modular design and multiple connectors, you can seamlessly integrate this display into industrial systems or custom setups for diverse applications*, such as temperature control in commercial kitchens or HVAC systems.

  • 5. Scenario Solutions

    • With real-time location and weather display, you can contextualize environmental data for precise monitoring in commercial or industrial settings*, enhancing decision-making for climate control systems.

Product details

4 Inch Square LCD Display Touch Panel Smart UART Serial TFT Module 480*480 HMI LCD display software Small tft display

The DWIN 4-inch Square LCD Display Touch Panel is a versatile smart UART serial TFT module designed for temperature control, monitoring, and industrial HMI applications. With a 480x480 resolution IPS TFT LCD screen, this module offers crisp visuals, touch interactivity, and modular integration capabilities. Its sleek design and customizable features make it ideal for embedded systems, IoT devices, and industrial automation.

Technical specifications

FeatureSpecificationBenefit
MaterialGlass touch screen with metallic frameWith glass, ensure durability in harsh environments
Screen Size4.0 inches (square)Perfect for compact devices with clear visibility
Display TypeIPS TFT LCDWider viewing angles (170°) compared to TN panels
Resolution480x480 pixelsSharp graphics for detailed data visualization
InterfaceUART SerialSimplifies connectivity to microcontrollers
Touch SupportCapacitive touchscreenEnables intuitive user interaction
Software CompatibilityDWIN OS-based firmwareCustomize UI via drag-and-drop tools

Customization guide

Adjustable mounting holes and interface protocols to meet specific device integration needs. The modular design allows customization of:

  • Display content (e.g., adding weather icons or sensor data fields)
  • Communication protocols (UART, Wi-Fi, or Bluetooth via add-ons)
  • Mechanical fit (hole positions and frame dimensions)

Get inspired

Transform your project with this smart display! Pair it with sensors to create a weather-aware thermostat, integrate into industrial panels for real-time monitoring, or build a portable IoT dashboard. The touch interface and modular connectors let you tailor it to your exact requirements.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Resolution480x480 (baseline)480x480 + gesture control800x480* (+66% clarity)
ConnectivityUART onlyUART + Wi-FiUART + Wi-Fi/Bluetooth
Touch Response50ms30ms (+40% faster)15ms (+233% faster)*
Operating Temp-10°C to 50°C-20°C to 60°C-30°C to 70°C

Supplier's note

  1. Three Technical Breakthroughs:

    • IPS TFT LCD: Wider viewing angles (170°) vs. standard TN panels for better multi-user visibility.
    • Capacitive Touch: 15ms response in Pro models—233% faster than Base, enabling seamless gesture controls.
    • Modular Design: Pre-drilled mounting holes and expandable interfaces reduce integration time by 50%.

  2. Optimal Version Selection:

    • Base Model: Ideal for basic HMI applications (e.g., thermostat control) where cost is prioritized.
    • Advanced Model: Best for IoT systems needing Wi-Fi connectivity (e.g., smart home hubs).
    • Pro Model: Choose for industrial environments requiring extreme temperature resilience (-30°C to 70°C) and high-resolution displays (800x480). The Pro’s chemical-resistant glass and faster touch response make it perfect for factory automation or outdoor kiosks.

*Comparative benchmarks vs. industry standards: Pro Model resolution exceeds average 480x480 by 66%, while touch latency is 3x faster than traditional resistive touch panels.

Frequently asked questions

  • Which DWIN LCD module is best suited for industrial temperature control systems?

  • How do I clean and maintain the touch screen of the DWIN 4-inch HMI module?

  • What materials are used in the DWIN 4-inch TFT display for durability?

  • Can the DWIN 4-inch TFT module be customized for specific systems?

  • Is the DWIN 4-inch LCD display certified for industrial use?

  • Does the DWIN 4-inch HMI support real-time temperature monitoring?

  • Why choose an IPS TFT display over standard LCD for industrial HMI?

  • What software is compatible with the DWIN 4-inch LCD display?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Display ResolutionIndustrial HMI, Medical DevicesIndustry Standard: 320x240 (VESA Compliance)
Our Base: 480x480 (ISO 13406)
Our Advanced: 800x600 (▲▲)		▲ Our Base: 480x480 delivers 2.25× more pixels for detailed graphics.
▲▲ Advanced: Supports high-resolution interfaces for complex systems.		Higher resolution requires more processing power (▲) and memory (▲▲).
Touch CapabilityPOS Systems, KiosksIndustry Standard: No touch
Our Base: Capacitive touch (5-point accuracy, ISO 9001)
Our Advanced: Multi-touch (▲)		▲ Our Base: Enables intuitive user interaction.
▲▲ Advanced: Supports gesture controls for advanced applications.		Capacitive touch increases cost (▲) and requires calibration (▲▲).
Display TechnologyPublic Displays, Retail SignageIndustry Standard: TN Panel (120° viewing angle)
Our Base: IPS Panel (178° viewing angle, IEC 61747)
Our Advanced: OLED (▲)		▲ Our Base: Wider viewing angles for multi-user environments.
▲▲ Advanced: OLED offers deeper blacks and contrast (IEC 62715).		IPS panels are thicker (▲); OLEDs have shorter lifespan (▲▲).
ConnectivityIoT Devices, Embedded SystemsIndustry Standard: SPI Interface
Our Base: UART (RS-232 Compliance)
Our Advanced: USB-C (▲)		▲ Our Base: Simplifies integration with microcontrollers.
▲▲ Advanced: USB-C supports faster data transfer (▲) and power delivery (▲▲).		UART limits bandwidth (▲); USB-C requires additional drivers (▲▲).
CustomizationOEM Projects, Industrial AutomationIndustry Standard: Fixed design
Our Base: Modular with 8+ connectors (IEC 60207)
Our Advanced: API-Driven Customization (▲)		▲ Our Base: Easy retrofitting into existing systems.
▲▲ Advanced: API tools enable tailored software interfaces.		Modular design may need custom brackets (▲); API setup requires coding skills (▲▲).
Material/Build QualityHarsh Industrial EnvironmentsIndustry Standard: Plastic Frame
Our Base: Aluminum Alloy Frame (ASTM B209)
Our Advanced: Corrosion-Resistant Coating (▲)		▲ Our Base: Durable and heat-resistant (▲) for industrial use.
▲▲ Advanced: Withstands saltwater exposure (ASTM B117).		Heavier weight (▲); advanced coatings add cost (▲▲).

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