This is the schematic for the encoder. I created it using a rather nifty little program called TinyCAD which is a free schematic capture program. The O, G, W, and B letters next to the QRB1134 correspond to the wire colors which come attached to the sensor.

This is the TinyCAD schematic file: CNC-Spindle-Encoder.dsn, along with the custom part QRB1134.mdb which is for the QRB1134 sensor. Smaller...

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Copyright 2006 by Dave Hylands