Questions tagged [inductive-sensor]

For questions dedicated about the mounting or useage of Inductive sensors

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8
votes
3answers
8k views

Inductive Sensor in 24 V machine?

I am getting a 24 V based Ender 3. From the factory, it has an aluminium bed. So I also put this LJ12 A3-4-Z/BX Inductive NPN NO 4 mm with 6-36 V operation current into the box together with ...
5
votes
1answer
168 views

Automatic Bed Leveling (ABL) with a sensor (BLTouch, inductive, capacitive), how does it work?

A frequently discussed update to a 3D printer is the so-called leveling sensor; this sensor can be inductive, capacitive, optical or mechanical (i.e pressure or physically touching, like a BLTouch). ...
7
votes
1answer
4k views

Issues with Auto Bed Leveling

I have enabled auto bed leveling on my 3D printer. I have used a 6-36 V inductive sensor with a 7805 voltage regulator running the sensor at 10.78 V. I am using Marlin 1.1.9. This is my configuration ...
6
votes
1answer
3k views

Using auto-bed leveling, do I need to initiate G29 before every print?

Various methods to scan the top surface exist to improve the bed adhesion to prevent prints to come loose from the bed during printing: e.g. BLTouch and clones or inductive and capacitive sensors/...
1
vote
1answer
432 views

How to wire an LJ18A3-8-Z/BX sensor with an optocoupler to a stock Ender 3?

I have this optocoupler. and this sensor. I want to wire them together and use them for auto bed leveling. Note, stock Ender 3 board (Creality v1) has 2 pins for its endstop, not 3, so this: won't ...
0
votes
2answers
369 views

Can I use a 12 V single channel optocoupler module in a 24 V machine?

I have a Tevo Tornado Gold 24 V. I want to use this LJ12 A3-4-Z/BX Inductive NPN NO 4 mm with 6-36 V operation current as a Z probe. I do not want to fry my machine by putting in 24&...