OpenKNX REG1: A Bus-Powered DIN-Rail KNX-IP Router on RP2040 and W5500
OpenKNX REG1 is an open hardware DIN-rail platform whose REG1-App-Eth board adds a WIZnet W5500 to an RP2040, bridging a KNX twisted-pair line and KNX-IP.
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Components
Hardware components
WIZnet - W5500
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Designator U1 on both REG1-App-Eth and REG1-IpController2040. KiCad symbol Interface_Ethernet:W5500 with Manufacturer WIZnet and MPN W5500, paired with a 25 MHz crystal and a HanRun HR911105A magnetic
Project description
📌 A KNX Router That Runs on Bus Power and Publishes Its Own Schematics OpenKNX is a group of KNX enthusiasts who, in their own words, were not satisfied with many commercial products and wanted modular software that anyone can use, adapt and extend. They publish the hardware too, with schematics and layouts complete enough for an experienced builder to reproduce a device from scratch. The work is now carried by OpenKNX e.V., a registered German non-profit formed so the project does not depend on any single person. The OpenKNX-REG1 repository is the hardware half of that promise. REG1 is a…
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