Tach on a LMS 5100

I have the DIY kit to be combined with Shahe scales. I’m still waiting on the scales. Should have them next week. I also have a launchpad. I thought I would play with it for the fun of it. My lathe was just shipped so I won’t have it until next week.

It’s not the end of the world to not integrate the tach. I was just hoping it had been done.
 
You can mount a magnet to the spindle and use a hall effect sensor to have a tach signal.
I think its the best way as its completely isolated from the lathe.
Get a sensor that will work off 5v to supply pwr from the PCB.

Amazon.com: Taiss/ 1Pcs LJ8A3-2-Z/AX-5V M8 2mm Sensing DC 5V NPN NC 3D Printer Cylinder inductive Proximity Sensor Switch Work Voltage 5VDC Special for MCU : Industrial & Scientific

Amazon.com: Taiss/ 1Pcs LJ8A3-2-Z/AX-5V M8 2mm Sensing DC 5V NPN NC 3D Printer Cylinder inductive Proximity Sensor Switch Work Voltage 5VDC Special for MCU : Industrial & Scientific
www.amazon.com
 
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