1.28 Inch Round TFT Screen for Smart Control Devices


Quick Product Summary

The 1.28 Inch Round TFT LCD Display Module from Brownopto Display is a compact circular display solution designed for smart control panels, rotary interface devices, embedded systems, compact HMI products, and portable electronic devices that require a true round display layout and stable SPI communication.

  • Product type: 1.28 inch true round TFT LCD display module
  • Core specifications: 240 × 240 resolution, 300 nits brightness, ST7789 driver IC, 12-pin / 4-line SPI interface
  • Best for: smart knobs, round control terminals, compact dashboard-style interfaces, embedded HMI systems, and portable devices
  • Main advantage: compact circular form factor with stable SPI communication and practical embedded integration value
  • Recommended use: engineering evaluation, OEM development, embedded product integration, and round UI applications
  • Optional support: can be paired with optional driver boards for testing, prototyping, and project development
  • Selection note: suitable for indoor and general-purpose display applications; interface and mechanical fit should be confirmed based on the actual controller platform and product structure

Product Overview

The 1.28 Inch Round TFT LCD Display from Brownopto Display is a compact circular display solution designed for smart control panels, rotary interface devices, compact HMI systems, and wearable-style visual applications. With a clean round form factor, stable SPI communication, and reliable driver support, it is well suited for products that require an attractive and space-efficient display interface.

This module features a 240 × 240 resolution, 300 nit brightness, and a 32.4 × 32.4 mm active area, delivering clear image presentation in a small-format design. It uses the ST7789 driver IC and supports a 12-pin / 4-line SPI interface, helping simplify integration for embedded development projects.

For customers requiring a more complete application solution, this round screen can also be paired with optional driver boards, including a parallel port drive board, rotary control display board, and AI human-computer interaction driver board, making it more flexible for prototyping and mass-production deployment.

Product Type 1.28 Inch Round TFT LCD Display Module
Display Shape Circular / Round Screen
Resolution 240 × 240
Brightness 300 nits
Driver IC ST7789
Interface 12-pin / 4-line SPI

Application reference image for the 1.28 inch round TFT LCD display module.

Key Features

  • Compact Round Display Design: The 1.28 inch circular format is ideal for products with a modern round UI, such as smart knobs, compact dashboards, control terminals, and portable smart devices.
  • Reliable ST7789 Driver IC: Equipped with the widely used ST7789 controller, offering stable display performance and convenient development support for embedded systems.
  • 240 × 240 Resolution: Provides balanced image clarity for icons, text, status data, and basic graphical interfaces within a compact screen size.
  • 300 Nit Brightness: Ensures good visibility in standard indoor environments and many commercial device applications.
  • SPI Communication Interface: Uses a 12-pin / 4-line SPI interface, helping reduce wiring complexity and making it suitable for MCU-based and embedded control platforms.
  • Optional Driver Board Support: Can be matched with multiple driver board options for different development and application scenarios, improving integration flexibility.

Who This Product Is Best For

OEM device manufacturers Embedded product developers Smart control panel designers HMI system integrators Consumer electronics developers Portable device designers Round UI product developers Engineers needing compact SPI display modules

Technical Specifications

Product Name 1.28 Inch Round TFT LCD Display Module
Brand Brownopto Display
Display Size 1.28 Inch
Display Shape Round Screen
Driver IC ST7789
Resolution 240 × 240
Brightness 300 nits
Interface 12-pin / 4-line SPI
Active Area 32.4 × 32.4 mm
Outline Dimensions 35.6 × 37.74 × 1.6 mm

Note: For actual project implementation, it is recommended to confirm interface matching, pin definition, controller compatibility, software support, and installation space before final selection.

Optional Matching Driver Boards

This 1.28 inch round TFT LCD display can be paired with optional driver boards for faster evaluation, prototyping, embedded testing, and project development.

  • Parallel Port Drive Board: A practical option for general-purpose applications, offering strong compatibility and a cost-effective development path.
  • Rotary Control Display Board: Suitable for rotary-type interface projects, helping developers build compact control display systems more efficiently.
  • AI Human-Computer Interaction Driver Board: Designed for more advanced smart interaction scenarios where display and intelligent interface integration are required.

Selection note: Based on the product sheet, the parallel port drive board is described as a versatile and cost-effective option for broader application use.

Product Selection Notes

This product uses a 12-pin / 4-line SPI interface, making it suitable for many compact embedded applications that require straightforward communication structure and efficient hardware integration.

With its round display shape, practical resolution, and optional driver board support, it is a useful choice for developers looking for a compact circular display solution with convenient project matching.

  • Choose this model when your project requires a small round TFT LCD with SPI communication and compact dimensions.
  • Confirm interface compatibility according to your MCU platform, signal design, and software development path.
  • Check mechanical fit based on active area, outline dimensions, connector layout, and front-panel structure.
  • Evaluate brightness suitability if the device will be used in brighter ambient light conditions.
  • Confirm development support needs in advance if you require matching driver boards, evaluation kits, or project-based integration assistance.

Application Scenarios

This 1.28 inch round TFT LCD module is suitable for compact interface products that require a stylish circular display area and stable embedded communication.

Smart home control panels
Rotary knob displays and control terminals
Portable handheld devices
Industrial control indicators
Consumer electronics with round UI layouts
Human-machine interface development projects
Compact dashboard-style displays
Embedded smart terminals
Round visual control interfaces
Custom circular display applications

Packaging and Delivery

Each display module is packed with care to help protect the screen, FPC, and structural parts during storage and shipment.

  • Selling Units: Single item and bulk order supply supported
  • Customization Support: Driver board matching and project-based display solutions are available for development and volume applications
  • Shipping: Global shipping supported, with final freight based on order quantity and destination

Frequently Asked Questions

1. What is the 1.28 inch round TFT LCD display mainly used for?

This round TFT LCD display is mainly used for compact smart devices, rotary control interfaces, embedded HMI systems, and products that require a circular visual interface in a limited installation space.

2. Is this a true round TFT LCD display?

Yes. This module is a true circular TFT LCD display designed for products that need a round screen layout and a compact visual interface.

3. Which driver IC is used in this display module?

The module uses the ST7789 driver IC, which is widely adopted for compact TFT LCD display applications and is convenient for embedded development.

4. What resolution does this round screen support?

It supports a resolution of 240 × 240, suitable for icons, text, status information, and basic graphical interfaces in a compact round layout.

5. What interface does this round screen support?

It supports a 12-pin / 4-line SPI interface, which helps reduce interface complexity and makes the module suitable for many MCU and embedded control systems.

6. Are driver boards available for development and testing?

Yes. Optional driver boards are available, including a parallel port drive board, rotary control display board, and AI human-computer interaction driver board.

7. Is this display suitable for cost-sensitive projects?

Yes. The product information notes that the optional parallel port drive board solution is versatile and cost-effective, making it suitable for many practical development and product integration projects.

8. Is 300 nits brightness suitable for all environments?

300 nits brightness is generally suitable for indoor and general electronic display applications. For brighter ambient environments, brightness suitability should be evaluated according to the actual use condition.

9. What should be confirmed before selecting this module?

It is recommended to confirm the SPI interface matching, controller compatibility, pin definition, mechanical dimensions, and whether driver board support is needed before final selection.

10. What is the main benefit of this 1.28 inch round TFT LCD display?

The main benefit is that it combines a true circular display structure, 240 × 240 resolution, stable SPI communication, and compact size for embedded and smart control applications.

Why Choose This Round TFT LCD Module

The 1.28 Inch Round TFT LCD Display combines compact size, practical resolution, stable ST7789 control, and flexible driver board options, making it a reliable solution for developers and manufacturers building round-interface products.

Whether you are developing a smart control knob, a compact HMI device, or an embedded circular display application, this module offers a balanced combination of structure, performance, and integration convenience for commercial and industrial use.


TFT Custom Solutions

Our company offers custom-made TFT solutions, tailored to your unique display needs, ensuring high-quality, precision, and satisfaction.

Touchscreen Enhancement

Boost your device’s interactivity with our advanced touchscreen technology. We tailor the panel shape and glass thickness to your requirements, enhancing your product’s user experience.

Custom Cable Design

Steady and efficient hardware connections play a vital role in guaranteeing optimal display performance. Our bespoke cabling solutions ensure consistently stable and efficient connectivity, supporting your display unit’s essential operations.

Interface Customization

Enhance the performance of your devices with our tailored display interface solutions. We provide a variety of commonly used interfaces, including MIPI, TTL/RGB, MCU, LVDS, EDP, and SPI. We tailor these interfaces to align with your specific device requirements, ensuring optimized performance and efficiency.

Cover Glass Customization

High-quality cover glass serves to protect your display and enhance the stability and durability of your device. Selecting the appropriate glass thickness and conducting optical bonding further elevates the display quality. Our customized glass solutions ensure that your device not only looks good, but also stood the test of time.

Software/Firmware Customization

Enhance display performance with our customized software and firmware. We tailor the user interface to your device’s needs, maximizing user experience and operational efficiency.

INTELLIGENT CONTROL BOARD

Utilizes high-performance processors and advanced algorithms to achieve fast response and high-efficiency data processing capabilities. Supports various communication protocols to ensure seamless connection with external devices.

Round TFT LCD Series FAQ

Common questions about round TFT LCD displays for OEM and embedded applications.

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