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How to choose 3.5 Inch LCD Display ?

Writer: adminRelease Time: 2025-02-26 08:32Browse: 43


3.5
 Inch LCD display typically has the following features:

1. Display Specifications:

  • Screen Size:5 inches (measured diagonally)
  • Resolution:Common resolutions include:
    • 320×240 pixels (QVGA)
    • 480×320 pixels (HVGA)
    • 800×480 pixels (WVGA) (higher-end models)
  • Aspect Ratio:Usually 4:3 or 16:9
  • Pixel Density:Varies depending on resolution
  • Brightness:Typically 200-500 nits (depends on model)

2. Display Type & Technology:

  • LCD Type:
    • TFT (Thin-Film Transistor) LCD– Common and cost-effective
    • IPS (In-Plane Switching) LCD– Better viewing angles and color accuracy
    • Resistive or Capacitive Touchscreen– Touch support may vary
  • Backlight:LED-based for lower power consumption

3. Touchscreen (Optional):

  • Resistive Touchscreen:Works with a stylus or finger; lower touch sensitivity
  • Capacitive Touchscreen:More responsive, supports multi-touch gestures

4. Interface & Connectivity:

  • Interface Types:
    • SPI (Serial Peripheral Interface)
    • RGB (Parallel Interface)
    • HDMI (for Raspberry Pi and other devices)
    • MIPI DSI (for high-speed data transfer)
  • Power Consumption:Typically low, around 1W to 3W

A 3.5-inch LCD display is commonly used in various applications due to its compact size, low power consumption, and sufficient resolution for small-scale visual interfaces. Here are some of its key applications:

1. Embedded Systems & Development Boards

  • Raspberry Pi Display:Used for small GUI applications, dashboards, and portable projects.
  • Arduino Projects:Useful for DIY electronics and IoT applications.
  • ESP32/STM32 Displays:For displaying real-time data in embedded systems.

2. Handheld Devices

  • Portable Gaming Consoles:Used in retro handheld gaming devices.
  • Medical Devices:Displaying vital signs in compact medical monitors.
  • Digital Meters & Measurement Tools:For voltmeters, oscilloscopes, and industrial testing devices.

3. Automotive & Industrial Applications

  • Car Infotainment & Dashboards:Used in car multimedia systems or rearview camera displays.
  • Industrial Control Panels:Small HMIs (Human-Machine Interfaces) for controlling machinery.
  • Security Systems:CCTV display screens for monitoring.

4. Consumer Electronics

  • Smart Home Displays:Used in thermostats, smart home control panels, and intercom systems.
  • MP3/MP4 Players & Digital Media Devices:For video playback and touch navigation.
  • E-Book Readers & Compact Digital Assistants:Small-size interface for reading or navigation.

5. Wearable & Portable Technologies

  • Smartwatches & Fitness Trackers:Small, high-resolution LCDs for health monitoring.
  • Handheld GPS Devices:Used in hiking, navigation, and geolocation devices.

3.5 Inch LCD Display product links for reference:
https://www.youritech.com/size/3-5-inch/