I am investigating ways to use a Duet 2 with no Duex expansion to run the e3d tool changer with more than two tools. I believe that with the information here, plus additional SSRs, that would be possible if using an extruding solution similar to the Prusa colour changer or a geared motor mounted to the tool-changer which slots in to a direct drive tool.
A method I just attempted successfully to improve RSSI was to create a Wireless Hosted Network on a computer close to the printer. This means that my Duet is accessible to that computer, via it’s network, but is not connected to my router, or the internet.
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