T0 Temp Stuck (5 replies)
Ramps 1.4 Marlin firmware I decided to add connectors to my extruder stepper, hot end resistor, and thermistor so I can swap out extruders easily. When I wired up the thermistor and thermistor I got...
View ArticleThermistor Troubles - SOLVED (no replies)
Hey there everyone! First time builder here. I've just finished the mechanicals/hardware for my Prusa i3, and I've spent the last day or so working on the electronics. I'm using RAMPS 1.4 and Marlin...
View ArticleDiscconnects after a second of load (fan, stepper, anything) (3 replies)
I have a mega2560 with ramps board for my prusa I3 rework. my board is acting real weird now, it was working before - then i went to adjust a pot on a stepper driver when it was on (stupid i know) and...
View ArticlePronterface Printing Problem :( (no replies)
I have recently built my first 3D printer based on Prusa i3 model. I am having problems with printing through pronterface. I am able to move all the axes precisely in pronterface, also the temperature...
View ArticlePlugging arduino USB in shuts laptop off. (no replies)
Hi, I having some problems with ramps 1.4. When I plug it in while arduino is plugged in to my laptop, it shuts down my computer. I had the arduino plugged into a USB hub. It fried my wireless adapter...
View ArticleLink Y_MAX_PIN Endstop with E1 (no replies)
Hi Everyone! First of all I want to thank the quick response and the good vibes of this forum. Now my question: I have an Arduino Mega 2560 with RAMPS configured for two extruders (MOTHERBOARD 34) and...
View ArticleExtruders no longer heating up (no replies)
Out of the blue, my RAMPS 1.4 stopped heating up the hot end. Nothing has been changed recently, thermistors are reading correctly, bed heats up etc, but the hot end cartridge transistors no longer...
View ArticleHeat Bed no longer functions RAMPS 1.4 (2 replies)
I think my RAMPS board just bit the dust, with respect to the heat bead. It just stopped working. I took a multimeter to the connection posts on the RAMPS board to measure voltage when the bed is...
View Articlewhere to get new ramps 1.4 terminal block connecter (3 replies)
One of my terminal block connections from my power supply melted and I don't have power to my heated bed. I can't seem to find a source for the connecter plug in. Anyone know where to get one? Ramps 1.4.
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Arduino Mega Plus RAMPS Problem (2 replies)
Alright so this is kind of an unexpected problem. I am trying to fit my RAMPS board on the arduino mega and for some reason it will not go on all the way. There seems to be something blocking it. Here...
View ArticleTrying to go wireless...but wait a second, D1 is already installed!! (no...
I ordered some diodes to solder across D1 to kill my USB connection. I already have Bluetooth set up and working so I would really like to just have RAMPS be powered by the PSU. I finally got them and...
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I have a question about the schematic for Ramps 1.4 (2 replies)
Hello everybody! I'm new to the RepRap Project and this is my first post on the forum. I had a question about this schematic: RAMPS1.4schematic.png is that chip (labeled U1 ARDUINO_MEGA_SHIELD) in the...
View ArticleHeated bed works with test code but not Marlin/Repetier (2 replies)
So the problem's not with the bed, and most likely not with RAMPS 1.4, is there some sort of firmware tweak?
View ArticleMakerFarm RAMPS 1.4 - SDHC cards supported? (no replies)
I just ordered a MakerFarm Prusa i3 which comes w/ a RAMPS 1.4. I had a question on the SD card slot, does anyone know if it supports SDHC cards or not? I'd assume it does, but wanted to make sure,...
View ArticleProblem when jumper vcc to 5v (servo) (no replies)
Hi, I'm trying to add auto bet level but when i put the jumper on vcc/5v next to the reset button to power servo the arduino "won't boot" and the LCD also don't light up .... any idea why ? what i'm...
View ArticleThermocouple extruder and MAX6675 :( (2 replies)
I have a thermocouple extruder and RAMPS so I bought MAX6675 Max6675 because I have read that MAX work with RAMPS ,but I can't find any draw show me how to connect RAMPS to MAX, any one can help ? ,...
View ArticleSEROVS&AUX1& AUX2& AUX3 &AUX4 (no replies)
Can any one tell me in details how can I use extra headers SEROVS& AUX1& AUX2 specially AUX3,SPI
View ArticleStepper Drivers Don't Fit (1 reply)
I bought a new ramps 1.4 card with A4988 driver modules from someone on ebay. The modules will not fit next to each other on the ramp board, because there is a very small overlap of the PCB over the...
View ArticleWhat blows up Pololus on RAMPS (3 replies)
I have recently blown up a bunch of Pololu carriers (4988 chip) and was wondering if anybody knew what causes this. In each case a hole has been blown in the top of the chip - th whole sorry saga in...
View Articlestatic discharge affecting pololu stepper drivers (no replies)
guys, I have just blown one of my stepper drivers on the ramps 1.4. The printer would get disconnected suddenly after a print session and i would not be able to reconnect to it. I identified a faulty...
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