Application of RK3568 Motherboard in Intelligent Transit LED Display Projects – Supports HarmonyOS and Full Domestic Production
The AIoT-3568A-based smart bus LED display enables dynamic route information presentation and voice-based station alerts, reducing instances of passengers overshooting or missing stops. It significantly improves the efficiency and quality of public transportation services, delivering a more comfortable, safer, and convenient travel experience while adding new vitality to urban development.

Project Requirements
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Information Broadcasting: Real-time display of bus arrival times, route details, weather forecasts, news, and other relevant information.
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Voice Announcements: Supports voice announcements for arriving stations, helping passengers stay informed and reducing the risk of missing stops due to smartphone usage.
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Emergency Alerts: In emergency situations, the smart bus LED display can trigger built-in alarm systems to alert passengers and guide them toward appropriate safety measures.
Advantages of the Motherboard Solution
The AIoT-3568A intelligent terminal motherboard provides stable and reliable core support for smart bus LED display devices.
01/Outstanding Performance
The AIoT-3568A features the RK3568 (Cortex-A55x4) quad-core processor with 1T computing power, ensuring real-time data refresh and stable display performance.
02/Supports 4K Cropped Display
Supports HDMI OUT with 4K cropped resolution output.
03/High Reliability and Stability
The motherboard uses immersion gold technology, corrosion-resistant gold fingers on the core board, and is securely mounted with four screw pillars. It supports 7x24-hour continuous operation without failure in environments ranging from 0°C to 60°C, offering superior environmental adaptability.
04/Customization Support
Supports configuration customization to meet specific requirements, enabling effective cost control. System customization is also available, with compatibility for Linux/OpenHarmony operating systems based on customer needs, providing a more secure and stable system environment for end products.

Motherboard Specifications
Core Configuration:
CPU: RK3568 quad-core processor, up to 2.0GHz
NPU: 1T computing power
Operating System: Android 11.0 (supports Linux/OpenHarmony)
Memory: Standard 2GB (optional 4GB/8GB)
Storage: Standard 16GB (optional 32GB/64GB/128GB)
Display Interfaces:
HDMI Output: 1 channel, standard Type-A female connector, supports up to 4Kx2K@60Hz
LVDS Output: 1 channel, supports single/dual 6–8bit, directly drives 50/60Hz LCD panels, maximum resolution 1920*1080
eDP Output: 1 channel, directly drives various-resolution eDP LCD panels
Peripheral Interfaces:
USB: 1 x USB3.0, 5 x USB2.0
Serial Ports: 2 x RS232, 2 x TTL, 1 x RS485
I2C Interface: 1 channel, compatible with I2C touch panels or peripherals
CAN: 1 channel
Storage Card: TF card slot
Audio Configuration:
Audio Input/Output: Speaker output (supports stereo, default 6W, configurable to 10W with resistor change), 1 x MIC IN
Headphone Output: Supports one 3- or 4-pole headphone jack
Network Communication:
Wireless Network: Built-in Wi-Fi; Bluetooth 4.2
Wired Network: 10/100/1000M adaptive Ethernet
Mobile Network:
- Supports 4G internet via PCI-E interface
- Supports 5G internet via M.2 5G interface (optional)
Case Studies
This solution has been successfully deployed in bus and metro systems in Shenzhen, Nanchang, Chengdu, and Xiamen.

