RAMPS 1.4 w/ direct short of 5A circuit (13 replies)
Hello, I've just recently finished a build of a Prusa i3xl from the xssink/DIYTechshop site and tried to get things going today with no luck. What I found was something kinda weird and I'm not sure if...
View ArticlePC Power Supply query regarding 5v load (5 replies)
Hi all, I've recently completed my first RepRap (or at least completed to the stage where basic objects print nicely). For my power supply I used a standard ATX supply rated at 450 Watts. My RepRap is...
View ArticleNew Ramps, Motors wont move (6 replies)
I recently purchased a new Ramps 1.4 with sprinter firmware but am having some trouble setting it up. None of my motors will move. I have the board successfully connected to pronterface, but all axis...
View ArticlePowering RAMPS from Battery. What to do with VCC? (4 replies)
Hi all. I am currently using ramps 1.4 with a PC PSU. Starting up with the M80 command and shutting down with M81 via the PS-ON connection, this has been working great. I would now like to power my...
View Articlestepper motor adjusting (7 replies)
hi all my printer is set & running BUT! i have stop in the prints the controler is hot!!! i ned to adjust the current but dont now how cent find in the web i use ps: 12V ramps 1.4 4 stepper pulolo...
View ArticleRAMPS 1.4 with NEMA 23 steppers? (5 replies)
I just need clarification before I get in too deep with what I have going on. I was given quite a few NEMA 23 motors. They are 1.8* steps, 12V and either .42A or .68A. These motors also have 6 wires...
View ArticleNew to forum and ramps / motors switching off issue (5 replies)
Hi Im most of the way through a delta printer build with ramps 1.4 with lcd, genuine pololou drivers (with heatsinks) and nema17 motors in general its working ok, just sorting out calibration at the...
View ArticleBest tuning method for Pololu A4988 Steppers (3 replies)
I've got my prusa i3 all together, firmware setup, and everything homes and moves as it should. Now its time for calibration. I was going to follow this procedure: http://reprap.org/wiki/Calibration...
View ArticleJ type thermocouple + RAMPS (1 reply)
Is there any way to use a J type thermocouple on a RAMPS 1.4 board with Marlin firmware?
View ArticleZ Axis stopped working (8 replies)
ok so my z axis stopped working. My stepper driver was ok so I moved it to E1 on the board since I am only using one extruder. Well that worked for a couple of months but that E1(z axis) has also...
View Article5V regulator on Arduino burned (2 replies)
Hi guys, yesterday night i finished the cabling on my 3d printer. I gave power to ramps+arduino and everything was fine. Then i decided to connect the endstop one by one: well i connect immediately...
View ArticleWhat version of RAMPS supports microstepping? (10 replies)
What version of RAMPS supports microstepping? Ramps 1.4 does also not support microstepping control over firmware. [forums.reprap.org] A2
View ArticleNema 34 steppers for 3d printer questions (2 replies)
I am building a 3d printer and would like to use nema 34's. What is the best option for electronics for these motors? 1. Industrial motor drivers and ramps or rumba? Not sure if these can be used...
View Articlesteppers not responding (6 replies)
Hi I just finished building a purse Mendel with a ramps 1.4 that was preassembled. but no motors move although the heat bed and extruder do heat up. I am using sprinter with pronterface. I don't know...
View ArticleNormal behaviour? RAMPS restarting when connected to pronterface (1 reply)
Hi all, I've got a reprapdiscount RAMPS kit with the smart controller display, on a Prusa i3. I've noticed that whenever I connect via USB using Pronterface, the motors make a tiny sound, followed by...
View ArticleRamps 1.4 Motor / Endstop Issues (4 replies)
Hello, II am having issues with the motors and after diligently searching for an answer and giving many solutions a try, I have not been able to fixed the issue. I am using an Arduino Mega 2560 with a...
View ArticleLCD panel center pushbutton issue (no replies)
Hi All! I have RAMPS1.4 with GADGETS3D LCD attached. In the newest marlin config I have uncommented G3D_PANEL, MOTHERBOARD_TYPE is 33. After the firmware upload display starts to switch between watch...
View Articleburnout ramps. (1 reply)
hi today i tried my 3d printer parts. I tried connect to endstops but its short-circuited. now its not working and my lcd screen very bright. ramps and arduino not recognized on the computer. I think...
View Articlez axis motors (2 replies)
so I am using ramps 1.4 with marlin. When I connect the motors and try to home z axis but the motors seem to stall. when I move it 10mm though they seem to work... any help would be greatly appreciated
View ArticleTrying to understand how I damaged my Rambo board (2 replies)
In testing a Rambo board for my second Prusa, I seemed to have blown up the board. I am using a 24v power supply that is wired correctly and tested. I plugged In the power supply to the board (with no...
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