Digital signage has become an integral part of many industries today, increasingly used to optimize processes and enhance customer interactions. Whether in retail stores, public transportation, or corporate environments, the benefits of this technology are clear: content can be centrally managed and updated in real time. However, each application has specific requirements. Embedded systems play a crucial role here, offering the necessary efficiency, flexibility, and future-proofing.
The Growing Market for Digital Signage
The demand for digital signage solutions is rising rapidly. According to Futuresource, the market is expected to grow from $14 billion in 2023 to over $21 billion by 2027. In Germany, an average annual growth rate of 8.1% is forecasted until 2030. This trend shows that more and more companies are recognizing and leveraging the advantages of digital signage to enhance their communication strategies.
More Than Just Digital Signage
Digital signage goes beyond simply displaying information digitally. The dynamic display and interactivity with customers—such as through ordering terminals or kiosk systems—have a significant impact on customer loyalty and revenue. Companies have long recognized that digital signage enables them to respond quickly and flexibly to changes, whether through real-time content updates or integrating external data sources like weather reports or stock market data.
Challenges in Content Management
With the increasing number of displays, the question arises of how to manage them centrally. Previously, content was loaded onto storage media like SD cards, but today, management is done in real time over networks. In scenarios where content frequently changes or real-time information, such as waiting lists or schedule changes, needs to be incorporated, a network connection is essential.
Embedded Systems versus SoC Solutions
Many modern digital signage solutions use all-in-one displays with integrated System-on-Chip (SoC) technology. These solutions are easy to operate and suitable for less complex use cases. However, they quickly reach their limits for more demanding applications that require high computing power or intensive graphics processing.
A key disadvantage of SoC solutions is the lack of flexibility. Since all components are permanently integrated, individual components like processors or graphics cards cannot be easily replaced or upgraded. If the hardware fails, the entire display often needs to be replaced, and companies are tied to a single display provider in the long term.
This is where embedded systems come into play. They offer not only higher computing power but also greater flexibility in selecting and combining components. This allows companies to design their digital signage solutions modularly and adapt them to their specific needs.
Embedded Technology in Digital Signage
Embedded systems are designed for long-term use under demanding conditions. They use especially robust components that cover a wide temperature range and are resistant to vibrations. This reduces failure rates and extends the device’s lifespan, which in turn lowers maintenance costs.
Another advantage: embedded systems are often based on proven operating systems like Windows or Linux, which can be optimized for digital signage applications. These systems are more stable, require less frequent updates, and are also cost-efficient to operate.
Internal or External Embedded Solutions?
Embedded systems can be used as either internal or external solutions in digital signage projects. Many display manufacturers now offer screens with integrated slots for embedded systems. A widely used standard here is the Open Pluggable Specification (OPS), developed by Intel, which has since evolved into the Intel Smart Display Module (SDM) architecture. SDM modules can be easily integrated into displays, offering companies a future-proof, scalable solution.
The choice between an SDM slot-in solution or an external mini-PC depends on the specific requirements of the project. While SDM systems are more aesthetically appealing and space-saving, external mini-PCs often provide more computing power and flexibility. Both approaches have their pros and cons, so the decision must be made individually.
Management and Maintenance of Digital Signage Networks
There are numerous software solutions for managing digital signage networks. It is particularly advantageous if management is independent of the devices and displays used. Here, manufacturer-specific tools such as “Device-On” from Advantech can be helpful. These solutions not only offer remote maintenance and monitoring functions but also enable efficient software updates and content management.
“Device-On” allows devices to be switched on and off remotely, run diagnostics, and centrally roll out firmware and software updates. Additionally, the solution provides AI-based anomaly detection to identify and address unwanted screen disruptions early.
Conclusion: Embedded Systems as the Key to Flexibility
Embedded systems provide companies with the flexibility and scalability needed to future-proof their digital signage projects. They are more robust, efficient, and adaptable than traditional SoC solutions, enabling companies to operate their digital signage networks in the long term and cost-effectively. Whether using internal or external solutions—the choice depends on the specific project requirements, but in any case, embedded systems are the foundation of a successful and sustainable digital signage strategy.
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