1.28-inch 240x240 resolution circular SPI interface full-color/IPS LCD module is a small display module that integrates an LCD panel and its driver circuit. This module is ideal for display applications that require high resolution, wide viewing angle and rich colors, especially for portable or embedded devices with limited space. Here are some details about this LCD module:
Technical Specifications
Size and Shape: Circular design with a diameter of 1.28 inches (about 32.5 mm) is suitable for compact devices.
Resolution: 240x240 pixels, providing clear and detailed text and image display, suitable for menu navigation, icons and small-scale graphic content.
Interface Type: SPI (Serial Peripheral Interface) interface, which is a synchronous serial communication protocol for data transmission between microcontrollers and peripheral devices, easy to integrate into existing systems.
Display Technology: IPS (In-Plane Switching) screen technology ensures a wide viewing angle and excellent color reproduction capabilities, and the contrast and brightness are also excellent.
Color depth: If it is a "full color" screen, it usually supports 16-bit color (RGB565 format) or 24-bit color, which can display tens of thousands of colors and achieve rich color performance.
Module Features
Built-in driver: Most of these modules will include an integrated LCD driver chip, which simplifies hardware design and reduces the need for external components.
Backlight control: Usually with LED backlight, allowing brightness to be adjusted to adapt to different ambient lighting conditions.
Touch function (optional): Some modules may also be equipped with capacitive or resistive touch screens, increasing the possibility of user interaction.
Application areas
Such modules are widely used in:
Smart watches and other wearable devices
Small medical instruments
Internet of Things (IoT) devices
Home automation control panels
Portable payment terminals such as mobile POS machines
Development considerations
Power management: Considering the issues of portability and battery life, an effective power management system is essential to extend the working time of the device.
Development tools and support: It is important to choose products with good documentation and technical support. Some manufacturers provide sample code, library functions and development boards that can help speed up the development process.
Graphics library: To simplify the development process, you can use existing graphics libraries (such as LVGL, uGFX, etc.), which provide functions such as drawing lines, rectangles, texts, and even support more complex GUI elements.
Physical connection: Make sure your main control board has enough pins to connect the SPI interface, and pay attention to the impact of signal line length on signal integrity.
