I have been working on a more ergonomic hand controller enclosure. I have been through many revisions and this is what i have so far. I am now working on building the “Hook” on the back like other Celestron hand controller so you can hang this controller box on the same mounts.
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I have only built the Teensy based SHC for OnStep and that is what my design is based on. I do believe the ESP version has the exact same board size and button placement so it should be compatible with it. I would like to test this first before saying it will work for the ESP version.