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General Mach Discussion / Re: Need Encoder for threading
« on: June 03, 2012, 06:38:27 PM »
A disc with one slot is what you need. Disc size I used was approx 100mm dia with a 10mm wide slot and it worked well.
You will also need a 220 ohm resistor to limit the current to the LED of the opto.
Hood
You will also need a 220 ohm resistor to limit the current to the LED of the opto.
Hood