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Turntable indexing
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<p>Hi All! First off, I must apologize for the somewhat ambiguous nature of my ad and my web site. I will rectify this soon. </p><p>The MSC1 was designed for several purposes: 1) as a turntable positioner (or <em>interactive</em> indexer), 2) a Back-N-Forth controller, and 3) a general purpose motor controller. I actually was inspired to design and build it by my own Walthers 90' turntable. I was in the process of integrating a stepper motor and microstepping controller, when it occurred to me that all I really wanted was a variable speed motor controller with direction control. It then occurred to me that a small potentiometer with a center detent off position, centered in the control panel's schematic for the turntable would be too cool! So I designed and built one. It works so well that I decided to offer it for sale. In a few more days, I will post pics of the partially completed control panel on the digitalloco site. Please have a look on 5/13.</p><p>I have also tested the MSC1 on the Atlas turntable with the optional motorized unit. Even though the Atlas has an integrated indexing mechanism, the MSC1 allows the Atlas turntable to be moved very slowly, in either direction, for very smooth and precise control.</p><p>As a Back-N-Forth controller, the photocells are placed at each end of the BNF track. The loco has smooth ramp-up and ramp-down speed functions at each end, but in between operates at a speed proportional to the rotation of the rotary control. The photocells automatically adjust to varying lighting conditions. At each end, there is a random delay of 10 to 30 seconds before the return trip begins.</p><p>Finally, the unit can be used to control the speed and direction of any motor found on any layout, up to 1 Gauge! Good for bridges, carnival rides, anything!</p><p>Please give one a try - if you don't like it for any reason, just return it for a full refund!</p><p>Regards and happy railroading! -John</p>
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