I have used both inductive and capacitive sensors for a long time. Capacitive works better on glass surfaces but temperature and humidity will affect it's accuracy. I prefer mechanical sensors now. I have a piezo sensor in one of my printers which sits directly in the printing head and the nozzle works as the probe. This gives you amazing accuracy on all and any surfaces but is a little fiddly to setup initially. Another great option is a BL-Touch. Easy to setup and very accurate. Cheers!
I have the same printer you have and just purchased a LJ18A3-8-Z/BX DC 6-36V NPN 3-wire 8mm Inductive Proximity Sensor Switch Detector. Then built a optocoupler circuit so the board trigger levels were TTL. Works great thru the glass.
I'm not sure how this will work with autoleveling unless you want to cover the entire bed with aluminium foil? The best way I found to make these sensors work on glass is to put a thin sheet of steal between the glass and the heating plate. The steal has enough inductance to allow the sensor to work through the glass.
This wont really work for leveling the bed. Since the sensor needs to read in several places all over the bed youd need the whole thing covered in aluminum tape. Doing it this way only gets you one data point. The best thing ive found is to get a bltouch. Works on any surface and hasnt let me down yet.
I pre-heat the bed, do an auto home, disable steppers, then move the print head to all four corners and adjust the thumb nuts to get the same clearance at all four points. I repeat this one more time and I'm good to go. It hardly changes from session to session since I installed a new hot bed carrier plate from thick aluminum.
@@HackaweekTV That's cool but I think the vast majority of people install a bed level sensor to avoid having to deal with leveling the bed manually. I've never hear of someone using the sensor on just one point and manually doing the rest. I've found that i never was able to get my bed as level manually as the sensor does.
how is puting alumium tape (alike) on the print surface a solution :S if you want to print on the glass directly for auto bed leveing it probe everywhere >_> :S mind to try a very thin iron metal sheet under the glass bed ? like those used for furnace duct vent ps ive read someone comment of what you do huh
Hello,Aaron Rogers,our store can supply panlongic.aliexpress.com/store/group/Capacitance-Proximity-Sensor-Switch/1668604_512042053.html?spm=2114.12010612.0.0.6a54548bzxYeNE
Way to pay attention. The tape is only on one corner in a small area. Love you guys that watch two seconds then have to make a comment that doesn't even make sense just to make a comment.
I have used both inductive and capacitive sensors for a long time. Capacitive works better on glass surfaces but temperature and humidity will affect it's accuracy. I prefer mechanical sensors now. I have a piezo sensor in one of my printers which sits directly in the printing head and the nozzle works as the probe. This gives you amazing accuracy on all and any surfaces but is a little fiddly to setup initially. Another great option is a BL-Touch. Easy to setup and very accurate. Cheers!
I have the same printer you have and just purchased a LJ18A3-8-Z/BX DC 6-36V NPN 3-wire 8mm Inductive Proximity Sensor Switch Detector. Then built a optocoupler circuit so the board trigger levels were TTL. Works great thru the glass.
I'm not sure how this will work with autoleveling unless you want to cover the entire bed with aluminium foil? The best way I found to make these sensors work on glass is to put a thin sheet of steal between the glass and the heating plate. The steal has enough inductance to allow the sensor to work through the glass.
Yeah I don't see that performing the bed leveling
YES! u saved me. Thank you
This wont really work for leveling the bed. Since the sensor needs to read in several places all over the bed youd need the whole thing covered in aluminum tape. Doing it this way only gets you one data point.
The best thing ive found is to get a bltouch. Works on any surface and hasnt let me down yet.
I pre-heat the bed, do an auto home, disable steppers, then move the print head to all four corners and adjust the thumb nuts to get the same clearance at all four points. I repeat this one more time and I'm good to go. It hardly changes from session to session since I installed a new hot bed carrier plate from thick aluminum.
@@HackaweekTV That's cool but I think the vast majority of people install a bed level sensor to avoid having to deal with leveling the bed manually. I've never hear of someone using the sensor on just one point and manually doing the rest.
I've found that i never was able to get my bed as level manually as the sensor does.
Can you guide some about Elegoo Neptune plus 4 which has proximity sensor sensing at the centre at start of the print.
No bed mesh possible...
It sounds like its acting as a capacitor having two conductive pads with an insulator between.
Good video.
how is puting alumium tape (alike) on the print surface a solution :S if you want to print on the glass directly
for auto bed leveing it probe everywhere >_> :S
mind to try a very thin iron metal sheet under the glass bed ? like those used for furnace duct vent
ps ive read someone comment of what you do huh
you looklike the tallman in the movie phantasm
Or, it is sensing the clip.
why not just a capacitive sensor? i use one on my i3 for about 2 years and it works without any problems...
Hello,Aaron Rogers,our store can supply panlongic.aliexpress.com/store/group/Capacitance-Proximity-Sensor-Switch/1668604_512042053.html?spm=2114.12010612.0.0.6a54548bzxYeNE
Do you still have the radio for the Miami Cooper s
no
Ok thanks
Great hack ... a quarter
Dude this is stupid. You completely circumvented the reason for printing on a glass bed. Now you’re gonna print on top of aluminum foil tape. SMH.
Way to pay attention. The tape is only on one corner in a small area. Love you guys that watch two seconds then have to make a comment that doesn't even make sense just to make a comment.
First 👍