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Old 10-08-2015, 09:55 AM   #2148 (permalink)
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Originally Posted by e*clipse View Post
The cheapest easiest solution I've always seen in app notes is the one using 3 hall-effect sensors. I think that if 1 sensor could be installed, then it wouldn't be that much more difficult to install 3 and have the option of 3 hall-effect sensor code.
For the cheap and easy solution, are the targets glued to the motor shaft? Is there a machined or perhaps an off-the-shelf ring slid over the shaft that has 3 or more targets? It would seem easier to keep a ring balanced than to glue targets perfectly on a round shaft ...
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