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hughgilhespie

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Albums posted by hughgilhespie

  1. Pulsar Motor Drives

    These are photos of my homebrew motor drives in my Pulsar 2.2 metre observatory. The motors are controlled using the Lesvedome ASCOM driver software. I used stepper motors but most people use basic geared DC motors. The shutter drive is powered by a 26 volt LiFePO4 battery. When the dome is in the parked position, the battery is automatically recharged. The dome drive motor uses power from a mains-driven14 volt 20 amp DC PSU. The shutter drive connects to the main controller via wireless, using XBee modules. The main controller has a safety system built in that performs start-up checks for the dome and shutter latches and shutter battery voltage. It also connects to a Hydreon rain sensor and a cloud gauge and will close the shutter if unsafe conditions are detected.
    I am happy to try and answer any questions if anyone would like more information.



















    • Album created by hughgilhespie
    • Updated
    • 19 images
    • 2 album comments
    • 19 images
    • 2 album comments
  2. Hugh's Stuff

    Various
    • Album created by hughgilhespie
    • Updated
    • 50 images
    • 50 images
  3. DeskTop

    DestTop
    • 0 images
  4. hughgilhespie

    • 0 images
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