Show HN: We made a small and cheap network switch (docs.murexrobotics.com)

Article summary

The MUREX Ethernet Switch, or mrxSwitch, is a 5-port 100BASE-TX unmanaged switch that is claimed to be the world's smallest and cheapest networking switch. It uses external magnetics and a high-performance unmanaged switch IC, and is designed for simplicity and cost-effectiveness. The switch is fully open-source and has a range of potential applications, including embedded systems, ROVs and AUVs, and consumer electronics. The current version of the switch, V2.0, has been tested and is functional.

Main themes

• Networking hardware
• Open-source electronics
• Embedded systems
• Robotics
• Cost-effectiveness
• Miniaturization

What commenters say

• The mrxSwitch is a notable achievement in terms of its small size and low cost, making it suitable for a range of applications.
• The use of 100Mbps Ethernet is still relevant and sufficient for many embedded systems and applications, despite the availability of faster standards.
• The switch's design and components, such as the external magnetics, are suitable for its intended use cases, but may not be ideal for all applications.
• The cost of the switch is not just the cost of the PCB, but also includes assembly and other factors, which can affect its overall affordability.
• The mrxSwitch has the potential to be used in a variety of fields, including robotics, aerospace, and consumer electronics, and its open-source nature could facilitate its adoption.
• Some commenters have suggested that the switch could be improved by adding features such as VLAN management or gigabit Ethernet support, but these additions may increase its size and cost.