5 Tips to Design an Embedded System Perfectly

In our tech-heavy modern world, we are surrounded by embedded systems. Home appliances, cars, mobile phones, medical equipment, industrial equipment and many more, all make use of embedded systems. Despite their proliferation and varying requirements for different use cases, certain good practices will help you design the perfect embedded system every time.

Here are our tips for designing embedded systems:

  1. Reliability Testing

In every embedded system being designed, one of the essential factors to consider is reliability. Reliability testing is done so as to find the weak links in the system. You must figure out reliability requirements right at the start, and then design and test for those particular requirements. When you perform reliability testing, you can build a robust system, getting rid of any weak Achilles heel.

  1. Certification & Standards

While designing a system, one of the key factors to keep in mind is certification. Although certification may not be necessary today, there could be a change in industry regulations that makes it a requirement. Remember that UL or CE certification post-deployment can be expensive and require a lot of effort. So, it is a much safer bet to design your system keeping certifications in mind, and adhering to industry standards.

  1. Need for Integration

Future integration is something to consider when designing an embedded system. Although the decision to create a closed or open system can be made on an individual case basis, it is generally a good idea to design for compatibility and future integration. It will be a lot more difficult to make such changes after completion of the design, when the need for integration arises.

  1. Contingency Plan

A contingency plan is designed to help an organization respond effectively when something goes wrong. While there is no way to foretell when something will go wrong, you can take steps to prepare for such an event. Test and debug hooks that provide visibility and read/write access to internal signals will be helpful in such a scenario. It is also a good idea to build a logic analyzer that helps you pinpoint any flaws in your firmware.

  1. Security

With a steady increase in systems connecting to the internet, security is something to consider during design. Every system is at risk from hackers so security measures are necessary to safeguard your embedded systems. It’s better to consider security right from the beginning during design, as it is quite difficult to add security features at the end stages. Using digital signatures and encrypting firmware updates would ensure authentication before any updates take place, protecting the embedded system. Locking flash space is a tamper-proof measure that prevents someone who has physical access to the device from reading the application code. This protects you from hackers reverse engineering your system.

These tips should help you design the ideal embedded system for your project requirements. If you require any support designing embedded systems or support for embedded systems maintenance, please feel free to contact us. Our experts would love to hear from you and provide guidance and strategies that suit your organization.

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