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Reviewed in the United States on February 2, 2025
There’s a tag on the wire that indicates Brown should be Negative (-) and Blue should be Positive (+).I thought this was odd…completely opposite of standard proximity sensor wiring colors. But I trusted the manufacturer and assumed this was just a quirk of it being a no-name product. Big mistake there - it immediately released the magic smoke.Cannot recommend any product if the manufacturer explicitly provides incorrect info that could result in injury or damage. DO NOT BUY. There are more reputable options available.
JC
Reviewed in the United States on February 24, 2024
I only get 4mm sensing distance from PEI but that is fine.As another reviewer stated:BLACK is signal BLUE is ground.... Why... Otherwise works fine.took me a few hours before I came here to see, and read his review lol
Aaron Larson
Reviewed in the United States on September 4, 2021
All three switches were DOA
J. Wilson
Reviewed in the United States on January 7, 2021
I did not want to add another power supply or split my 36V supply so I gambled that this will work with my GRBL board and it does!I did have to add some small caps to the board to eliminate false signals (very tiny and cheap ones) but I found that to be the case for using regular switches too.This is so much better than mechanical switches and repeatability is very good so you can home your machine and go to a specific position etc.
annonimouse
Reviewed in the United States on March 27, 2020
these small sensors are working great for my cnc limit switches. the wiring I found says:Black is signalBlue is groundBrown is 5-24vI am running 24v they say up to 36v and these have not even gotten warm, seem solid.
Ara Yapejian
Reviewed in the United States on October 20, 2020
I'm sure they'd work equally well with whatever controller you use, I happen to use these on a Duet 3 CNC machine wired directly in to IO pins with a diode on the signal line. Reliability and repeatability, while not measured, have been far good enough for anything I do, including PCB double sided machining.
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