The LuckFox Pico Ultra and LuckFox Pico Ultra W now feature support for RGB screens via a parallel RGB LCD interface. Data transmission utilizes the RGB666 format (6 bits per pixel), currently supporting resolutions of 720x720 and 480x480. The provided image defaults to 720x720. For 480x480 resolution screens, users can switch the setting by pressing the on-board button after boot-up. This section covers the architecture from the application layer to the driver layer to explain the working principles. Please note that due to diverse screen types, independent research is required for other resolution adaptations. Product Specifications Size 4" Resolution 720×720 Display Panel IPS Viewing Angle 170° Touch Type Capacitive Touch Chip GT911 Brightness 400cd/m² Contrast ratio 1000:1 Outline Dimension 84.0×84.0mm (H×V) Display area 71.93×71.93mm (H×V) Pixel pitch 0.0999×0.0999mm (H×V) Operation temperature -20~70°C Communication Interface RGB666 Display colour gamut 68% NTSC 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/ Weight: 0.045 kg LF40-720720-ARK ×1
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