The LuckFox Pico Ultra and LuckFox Pico Ultra W now support RGB screens via a parallel RGB LCD interface. Image data is transmitted in RGB666 format, utilizing 6 bits per pixel. Currently, the supported resolutions are 720x720 and 480x480. The provided image supports a default resolution of 720x720. If users are using a screen with a 480x480 resolution, they can switch the setting by pressing the BOOT button on the development board after it has booted up. To aid in understanding the working principles, this section introduces the architecture from the application layer to the driver layer. Due to the variety of screen types, adaptations for other resolutions will need to be researched independently. Product Specifications Size 4" Resolution 480×480 Display Panel IPS Viewing Angle 160° Touch Type Capacitive Touch Chip GT911 Brightness 400cd/m² Contrast ratio 380:1 Outline Dimension 84.2×84.2mm (H×V) Display area 71.86×70.18mm (H×V) Pixel pitch 0.1497×0.1462mm (H×V) Operation temperature -20~70°C Communication Interface RGB666 - - Capacitive Touch Supports flexible and responsive touch operation to make development more convenient Usage example * for reference only, the Luckfox Pico Ultra W is NOT included Outline dimensions Selection Guide PRODUCT SIZE RESOLUTION DISPLAY PANEL DISPLAY COLOR GAMUT BRIGHTNESS CONTRAST RATIO OUTLINE DIMENSION (mm) DISPLAY AREA (mm) COMMUNICATION INTERFACE LF40-480480-ARK 4" 480×480 IPS - 400cd/m² 380:1 84.2×84.2 71.86×70.18 RGB666 LF40-720720-ARK 4" 720×720 IPS 68% NTSC 400cd/m² 1000:1 84.0×84.0 71.93×71.93 RGB666 Resources & Services Wiki: https://wiki.luckfox.com/Luckfox-Pico-Ultra/RGB-Screen/ Package Content Weight: 0.041 kg LF40-480480-ARK ×1
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