1.9" LCD Screen Module | 170x320 HD | 4-Wire Interface | Ultra-Wide Viewing Angle

SKU: DS20209
Size:

Resolution:

Interface:

Touchscreen Support:

Board Support

Raspberry Pi

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1.9-inch SPI LCD module with 170x320 IPS display, 4-wire SPI interface, ultra-wide viewing angles. Minimal I/O required. Ideal for embedded systems, IoT, and DIY projects.

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    Description

    1.9" LCD Screen Module | 170x320 HD | SPI 4-Wire Interface:

    High-performance 1.9-inch SPI LCD Module designed for seamless integration into embedded systems and compact devices.

    ✅ 1.9-inch IPS Panel: Crisp visuals with true-to-life color reproduction.
    ✅ 4-Wire SPI Interface: Simplified wiring and rapid data transfer.
    ✅ Wide Voltage Support (3.3V/5V): Flexible compatibility with multiple controllers.
    ✅ Embedded Driver IC: Plug-and-play functionality with open-source libraries.
    ✅ Downloadable datasheets and code samples ensure quick prototyping.

    STM32 Screen

     

    1.9 inch IPS Module
    Key Parameters Display Color RGB 65K color Interface PIN NO. SYMBOL DESCRIPTION
    Screen Size 1.8(inch) 1 GND LCD Power ground
    Type IPS 2 VCC LCD power supply is positive (3.3V)
    Driver IC ST7789 3 SCL LCD SPI bus clock signal
    Resolution 170*320 (Pixel) 4 SDA LCD SPI bus write data signal
    Module Interface 4-wire SPI interface 5 RES LCD reset control signal(Low level reset)
    Active Area (AA area) 22.695x42.72 (mm) 6 DC LCD register / data selection control signal
    Module PCB Size 29.00x62.00(mm) (Low level: register, high level: data)
    Operating Temperature -10℃~60℃ 7 CS LCD chip select control signal (low level enable)
    Storage Temperature -20℃~70℃ 8 BLK LCD backlight control signal (high level lighting,
    VCC power voltage 3.3V if you do not need control, please connect 3.3V)
    product picture 1.9 inch

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    DS20209 FAQ

    Can I show my intended UI on DS20209 without clipping or running out of memory?

    Try your smallest text, longest labels and icons on a 170 × 320 canvas before committing to the enclosure. Calculate framebuffer memory for your selected pixel format and buffering strategy, then measure the update time with the intended microcontroller.

    How do I tell whether my existing library can drive DS20209?

    For the listed SPI interface, check the exact controller, SPI mode, logic levels and update time with a representative screen. Check that the library names the exact display controller and supports its initialization, addressing and orientation. Test a full-screen pattern before porting the UI.

    Should I choose DS20209 or a module that uses a different display bus?

    Compare pin availability, logic levels, code support and measured full-screen update time with your existing host. For the listed LCD, compare viewing-angle shifts and dark-screen appearance through the front cover. Include the space needed for the connector and any adapter.

    What should I run on a sample of DS20209 before freezing my firmware?

    Test a power cycle, repeated wake, display rotation and the longest update with the other peripherals running. Use the 1.9-inch diagonal to shortlist modules, then check the exact drawing for fit. Check the mounted connector and cable for strain.

    What should a repeat order of DS20209 match to keep my firmware working?

    Use the full module part number and revision from the unit label and the corresponding drawing. Include the controller identifier, bus variant, connector, approved initialization settings and sample revision on the purchase specification.

    Additional information

    Size:

    Resolution:

    Interface:

    Touchscreen Support:

    Board Support

    Raspberry Pi

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