This issue guide
Public transport stops, as the most obvious sign of bus stations or platforms, are essential facilities for bus stops. Over the years, bus stops have continuously improved with urban development, evolving from simple metal signs to illuminated lightbox signs, and from basic travel information indicators to public and commercial information carriers that can display massive advertisements and various convenience information. Each change highlights the characteristics of the times in response to the needs of urban development. Entering the stage of smart city construction, electronic bus stops have also been updated. RuiXun Technology has developed RK3399-MPC-1915 as the control brain for electronic bus stops, gaining recognition from many users. Today, we will use this as a starting point to explore together.
Electronic bus stops utilize the intelligent scheduling management system’s GPS arrival data to implement a bus arrival forecasting system, providing waiting passengers with real-time and accurate arrival forecasts, along with multimedia video playback, public information release, and large touchscreen computers that can achieve quick alerts, passenger feedback suggestions, and various convenience services.
Bus stops are widely distributed urban public facilities, often located in densely populated areas. When electronic bus stops are equipped with cameras, any incidents occurring within the camera’s range can be retrieved for evidence, which is greatly beneficial for safety monitoring.
They can also monitor the population pressure, vehicle demand, and daily traffic at the platform during different time periods, significantly saving labor costs and investigation cycles while providing accurate survey information.
Additionally, electronic bus stops located in various areas can continuously monitor temperature, humidity, water levels, inhalable particulate matter, and air composition 24/7, allowing for the collection of the most comprehensive and accurate information, which is greatly helpful for the collection of meteorological, hydrological, and environmental protection information in the city. This has significant implications for rational urban planning, disaster prevention and drainage design, and pollution remediation.
The Rich Applications of Electronic Bus Stops
The realization of the above functions relies on a good network state and reliable, stable product performance. Under this premise, the application of RK3399-MPC-1915 in electronic bus stops was born.
RK3399-MPC-1915
Considering that current electronic display boards are generally 55-inch displays, RK3399-MPC-1915 provides a Display Port interface, replacing VGA DVIFPD-Link (LVDS) interfaces. Through active adapters, it is backward compatible with HDMI and DVI, achieving dual-screen same display, dual-screen different display, providing hardware support for 4K UHD decoding, 2K low-lag screens, and ultra-high-definition H.265/H.264 video decoding capabilities, supporting H.265/VP9 encoded 4K@60fps 10bit video playback capabilities, with a 20ms latency, 90Hz refresh rate, high-precision positioning tracking system, supporting PCI-E based high-speed Wi-Fi and storage expansion, and providing gigabit network ports, Wi-Fi Bluetooth modules, TF card slots, and SIM card slots to meet various network communication needs, 1 Line out, 1 MIC, both are 3.5mm standard sockets; 2* speaker sockets meet various audio output needs, enabling more interactive functions.
Technical Parameters as Follows:
| Operating System | OS | Android 7.1.2 |
| Processor | CPU | RockChip ARM RK3399 6-core |
| Memory | Specification | Onboard 2GB/GB DDR3 1600MHz |
| Storage | Type | Onboard 4GB/8GB/16GB eMMC |
| Display | HDMI | 1 A-type HDMI interface |
| DP | 1 DP interface | |
| I/O | Mini PCIe | 1 Mini PCIe (supports standard 3G/4G modules) |
| USB |
6 USB3.0 ports 1 Micro USB OTG socket |
|
| Audio |
1 Line out 1 MIC, both are 3.5mm standard sockets 2 3.5mm 5W/CH speaker sockets |
|
| Serial Port | 6 RS232 (DB9) 1 RS485 (3Pin green terminal) | |
| TF Card | 1 TF card slot | |
| SIM Card | 2 Micro SIM card slots Dual card single standby | |
| Communication Interface | Ethernet | 1 standard 1000M bps RJ45 interface (expandable to 5 ports) |
| WiFi & Bluetooth | WiFi 2.4GHz IEEE802.11b/g/n + BT4.0 shared module | |
| Security Features | Watchdog Timer | 1 CPU watchdog, time interval 0~128 seconds |
| Power Supply | Voltage Range | 12V DC, with over-voltage and over-current protection, reverse polarity protection |
| Environment | Temperature | Operating temperature: 0℃-60℃; Storage temperature: -40℃-85℃ |
| Operating Humidity | 0%~90% relative humidity, non-condensing | |
| Dimensions | Size | 203mm(length) * 144mm(width) * 42mm(height) |
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RuiXun Technology is a leading provider of embedded computer system products and solutions in China, as well as an expert in IoT technology. The company has two major business departments: the Embedded Computer Application Platform Department and the IoT System Department.
The IoT System Department provides edge computing industrial gateways, industrial scene configuration software, and human-machine interaction interfaces based on cloud applications, mainly applied in industries like smart equipment, metallurgy, electricity, energy, and chemicals.
The Embedded Computer Platform Department primarily designs and produces industrial computer products based on industrial ARM and PowerPC levels. The company has a strong technical R&D team, especially in embedded OS and software services, with years of technical accumulation, capable of providing comprehensive services from Kernel layer to APK layer. The products are widely applied in smart city intelligent terminals, industrial intelligence, smart transportation, and smart instrumentation industries. RuiXun’s embedded industrial computer products and services have received unanimous praise from domestic customers.
The company currently holds dozens of patent certifications, especially in embedded technology R&D, maintaining a leading position in the industry. The enterprise has passed high-tech enterprise technology certification, ISO9001 quality management system, ISO14001 environmental management system, and holds numerous computer software copyrights. The products have passed authoritative certifications such as 3C, FCC, and CE. In 2017, it became the “Embedded Technology IoT Engineering Laboratory” in Xi’an.
RuiXun Technology, with Xi’an as its R&D center, currently has sales and service institutions in Beijing, Shanghai, Shenzhen, Xi’an, and Chengdu. RuiXun people use strict product introduction process standards, product testing standards higher than the industry, and a sound after-sales service mechanism to provide customers with high-quality and convenient products and services.
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