Add a smoke detector function to Marlin firmware for Arduino?
There's a discussion going on at the Folgertech 3D Printers facebook group about adding a cheap MQ2 smoke detector module to either a RaspberryPi or an extra Arduino board. I wonder if this is...
View ArticleExtruder Strange Movement!
I upgraded my 3D printer to the latest Marlin firmware, while printing the first layer the extruder moves away from the print in a straight line, sometimes in the X direction and other times in Y...
View ArticleRe: Setup and bed levelling
Finally back to this after a couple of days. QuoteRoxy you can edit the defaults in the G26.cpp This was a good tip! The docco in the comments is much more complete than on marlinfw.org
View ArticleRe: Setup and bed levelling
There is good information about G29 in ubl_G29.cpp M502; load defaults/reset M500; write eeprom M501; read eeprom G28; home heat nozzle & bed G29 I 999; invalidate existing mesh G0 X10 Y10 G29 P2...
View ArticleRe: Setup and bed levelling
Starting to look a bit better. It's cold at the moment, so i increased the bed temp. That seems to help. Also bumped the retract factor by a load. G26 B80 F1.75 H185 K1 L0.2 P6 S0.3 Q6 [attachment...
View ArticleRe: Extruder Strange Movement!
Might be spurious endstop triggering, try Try sending a M121 to dissable endstop testing during printing.
View ArticleRe: Extruder Strange Movement!
I'm printing from an SD Card, printer is not connected to PC, can't send Gcode commands.
View ArticleNew marlin customisation problems
Hi Guys, Totaly n00b to marlin firmware here. I replaced my hictop combined RAMPs card with a MKS Gen1.4 running DRV8825 steppers. The printer has no Z-probe or auto levelling. It's a Stock Hictop...
View ArticleRe: Setup and bed levelling
Well, it's been another few hours, but things are looking sane. The validation mesh adheres to the bed all over... more or less. I'm going to call it a day at this stage. SENDING:G29 S3 Mesh saved in...
View ArticleRe: Setup and bed levelling
G29 P3 isn't intended to populate an empty, unprobed mesh. The reason for manually probing the corners of the bed were to see how it is tilted. I think you should try to physically level it a little...
View ArticleRe: Extruder Strange Movement!
edit the G code on the sd card and insert a M121 in the start code
View ArticleRe: Setup and bed levelling
QuoteRoxy G29 P3 isn't intended to populate an empty, unprobed mesh. The reason for manually probing the corners of the bed were to see how it is tilted. ... You have .75 mm of difference across the...
View ArticleRe: New marlin customisation problems
"on the lcd display the X.Y and Z symbols alternatively flash with question marks. " this is normal it means you have not homed that axis yet, so it doesn't know where 0 is.
View ArticleRe: New marlin customisation problems
#define Z_MIN_PROBE_ENDSTOP_INVERTING false // set to same logic as "Z_MIN_ENDSTOP_INVERTING". It appears to me your are calculating for a NEMA 17 0.9° Stepper. Hictop 3DP08 has the following //...
View ArticleRe: New marlin customisation problems
Ah, I'm new to marlin behaviour... Like the z axis raise when homing?
View ArticleRe: New marlin customisation problems
I'm using DRV8825's as my stepper drivers. The config page I used to config them said since they were 1/32 rather than 1/16 microsteppers so I had to double my values. I tested them with the original...
View ArticleRe: i3 Clone Z-Axis only moves in one direction
Does flipping the endstop logic make any difference? If it's signalling as closed it might be stopping the axis movement Try #define Z_MIN_ENDSTOP_INVERTING false There's a long process here First use...
View ArticleRe: i3 Clone Z-Axis only moves in one direction
Thanks, jedifraz. I actually solved the problem; turns out I had a bad RAMPS board. Replaced the board and made NO changes to my settings and it worked fine. This explains why isolating and swapping...
View ArticleRe: New marlin customisation problems
When I purchased my 3D Printer for some strange reason the Extruder stepper was turning backwards, It took me forever to determine because I keep seeing filament extrude. Not knowing how to work with...
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