Single Board Computers (SBCs) are widely used in embedded systems, industrial automation, smart devices, medical equipment, and many other electronic products. An SBC integrates essential computing components such as a processor, memory, storage interfaces, and communication ports onto a single printed circuit board. This compact architecture allows developers to build powerful embedded systems while reducing design complexity.
However, many commercial products require features that standard off-the-shelf SBCs cannot fully provide. In such cases, companies often choose to customize an SBC to better match the requirements of their final product.
This article explains how customized SBC development works, what factors must be considered, and the typical engineering process from concept to mass production.
A custom SBC is a single board computer specifically designed or modified to meet the needs of a particular product or application. Unlike generic development boards, a custom SBC is optimized for:
Customization may involve modifying an existing reference design or designing a new board based on a selected System-on-Chip (SoC).
Many companies customize SBCs when developing products such as:
By tailoring the hardware to the product requirements, engineers can achieve better performance, lower cost, and improved system reliability.
The first step in customizing an SBC is clearly defining the requirements of the final product. This stage is critical because hardware architecture decisions must align with the product’s functional goals.
Important questions to consider include:
For example, a smart control panel might require:
In contrast, an industrial controller may require:
Carefully defining these requirements helps ensure that the SBC architecture supports the final product.
The processor, or System-on-Chip (SoC), is the core of the SBC. Selecting the right SoC is one of the most important decisions in the customization process.
Common SoC platforms used in embedded SBCs include:
When choosing an SoC, engineers typically evaluate:
For display-based embedded systems, the SoC must support the required display interfaces such as:
Choosing a processor with strong Linux or Android support can significantly simplify software development.
Once the processor is selected, engineers can design the hardware architecture of the custom SBC.
The SBC must integrate several key subsystems:
Most embedded SBCs include:
Memory size depends on the operating system and application software.
Typical configurations include:
Power design is an essential part of SBC development.
The board must include:
Efficient power management ensures stable system operation and improves energy efficiency.
Modern embedded products often require multiple communication interfaces.
Common interfaces include:
These interfaces allow the SBC to communicate with sensors, peripherals, and other system components.
For products with graphical interfaces, the SBC must support the appropriate display interface.
Common display interfaces include:
The selection depends on display resolution, cable length, and system design.
Many modern embedded systems require wireless communication.
Common wireless modules include:
These modules are typically connected via:
After defining the hardware architecture, engineers begin designing the printed circuit board (PCB).
SBC boards typically contain high-speed signals such as:
Proper PCB layout is essential to ensure signal integrity and reliable system operation.
Key considerations include:
Careful PCB design helps prevent issues such as signal noise, instability, and communication errors.
Hardware development must be supported by proper software integration.
The SBC software stack usually includes:
During system bring-up, engineers verify that all hardware components function correctly.
Typical tasks include:
Software support is often one of the most time-consuming parts of SBC customization.
Once the initial PCB design is completed, prototype boards are manufactured for testing.
This stage includes several validation activities:
Engineers use debugging tools such as oscilloscopes, logic analyzers, and kernel logs to identify potential issues.
If problems are found, the hardware design may need revisions before moving forward.
The SBC must also fit within the physical structure of the final product.
Important mechanical considerations include:
For example, a wall-mounted smart control panel may require a compact SBC design that fits inside a slim enclosure.
Mechanical design and electronic design must work together to ensure proper product integration.
Depending on the product application, certification may be required before the product can be sold in certain markets.
Common certifications include:
If wireless modules are included, additional regulatory approvals may be necessary.
Preparing the SBC design with certification requirements in mind can simplify the approval process.
After successful prototype testing and certification, the design moves toward mass production.
This stage includes:
Manufacturers may develop production test fixtures to verify each board during assembly.
Reliable testing ensures consistent product quality during large-scale production.
Customizing an SBC offers several advantages compared to using generic development boards.
A custom SBC can include only the required components, reducing system complexity and cost.
Industrial products often require stable long-term operation. Custom hardware can be designed with higher reliability standards.
Customized SBCs can match the exact size, connector layout, and power requirements of the final device.
While custom development has initial engineering costs, it often reduces unit cost during mass production.
Custom SBCs are widely used in many industries.
Industrial control systems often require custom SBCs to support specialized communication interfaces and rugged environments.
Wall-mounted control panels and smart gateways often use customized SBC platforms.
Medical devices require reliable embedded systems with high display quality and strict regulatory compliance.
Kiosks, payment terminals, and ticket machines often use customized SBCs designed for display integration and network connectivity.
Customizing a Single Board Computer is an effective approach for developing embedded products that require specific hardware capabilities and optimized system performance.
The customization process typically involves defining product requirements, selecting the appropriate processor, designing the hardware architecture, developing the PCB layout, and integrating the necessary software components.
Although SBC customization requires significant engineering effort, it allows developers to create products that are better optimized for their intended applications. From industrial automation systems to smart home interfaces and medical devices, custom SBCs continue to play an important role in modern embedded technology.