RAMPS and arduino mega 2560 crazy power problems (6 replies)
I recent purchased a reprap prusa kit. I got it all assembled, and went to control the machine from my computer. When I plugged in the usb, the arduino does not connect and then the power supply cable...
View ArticleStepper do not work with Marlin-RC (2 replies)
I am in the process of setting up a 3d printer. Electronics setup: MEGA 2560 + Ramps 1.4 + A4988 drivers + 2004 LCD Stepper work perfectly with the test program from here But when i upload the...
View ArticleRamps and the new V6 PT100 (no replies)
As someone who has been frustrated one too many times struggling to put the tiny little thermistor into it's tiny little hole only to have it's leg snap off soon after, I began to look for something...
View ArticleNeed help driving mosfet using ramps D8 output (no replies)
Hi. Burned up a couple low end SSR (relays) controlling my heated bed (400w 12v). I want to use one or two IRF3205 mosfets to control the load. I'd like to use the ramps D8 pins to control the mosfet...
View ArticleRamps 1.4 LCD Issue (3 replies)
Hey guys, as mentioned on the topic the LCD is on but shows nothing i have the red board 2004 smart controller LCD, i tried too many firmwares, nothing worked i followed also tutorials saying that i...
View ArticleHeated Bed Temp Sensor Issue (3 replies)
Hi All, Everything was working well until the Y axis end stop unclipped. I fixed the end stop and tried again to print, but Ramps is not reading the bed temperature. I've checked and re-soldered the...
View ArticleRamps 1.4 alarm sound ? (no replies)
This is my 2nd Folger Tech 2020 i3 aluminum printer with Ramps 1.4, Extruder temp was 194c bed was 60 During a 2 hour print there would be a inter-mitten buzz sound (alarm >? ) plus a circuit board...
View ArticleMAXTEMP while heating up for printing5 (no replies)
I got my printer back in august, but it has been one long series of frustration. Most of it is likely due to my newbie-ness. After a long series of issues, i put it on the shelf for a few. It seems...
View ArticleServos do not work (2 replies)
Hi: I am putting up a printer. All steppers work. Trying to setup the Auto Bed Leveling feature of Marlin. 1.1.0 Electronics setup: MEGA 2560 + Ramps 1.4 + A4988 drivers + 2004 LCD Shorted vcc and 5v...
View ArticleEnd-stops not being sensed or registered (3 replies)
Printer background: Delta printer marlin firmware Repetier-Host & Prontorface: software ramps 1.4: board type Hi everyone, I was wondering if anyone has had a problem with the end-stops being...
View ArticleE0 working but E1 won't move (1 reply)
Hi everyone! I recently upgraded my printer for dual extrusion. First I was experiencing a error compiling Marlin firmware after setting the following value in configuration.h: #define EXTRUDERS 2 I...
View Article2nd extruder ramps error (no replies)
#define EXTRUDERS 2 in marlin gives me this error "pasting "DIO" and "-" does not give a valid preprocessing token". I am trying to set up a 2nd extruder on a ramps 1.4. Will my full graphics display...
View ArticleExternal power when connected to USB issue (no replies)
I've purchased a HE3D delta printer kit and have it assembled. I loaded the firmware on it, disconnected it from my computer and then turned on the printer to give it an initial test. I wanted to make...
View ArticleT1 and T2 not reading any input temperature on RAMPS 1.4 (2 replies)
I have a Prusa i3 with RAMPS 1.4 electronics. The printer was second hand, without a heat bed. Currently, I am installing one. The thermistor is functional, if installed in T0 slot, the reading is...
View ArticleDual Heatbeds (4 replies)
I have recently built a Cartesian printer and was curious about having two heat beds for a very large print bed about 300mm x 400 mm. I would use two of these Printer Beds. There are two inputs for...
View ArticleHeated chamber, marlin's temperature protection kicks in all the time (no...
Hello, I've put a heater in the chamber to bring it up to temperature. The heater is connected to the "second hotend" output. The heater is not able to overheat (no fire hazard) so the temperature...
View ArticlePrint speed slows down in arcs (2 replies)
Hello, When the print head is moving on a straight line, it goes fast, and when it goes in to an arc, it goes slow. I'm wondering whether the speed is limited by the microcontroller, or by the USB...
View ArticleMelzi vs. RAMPs? (6 replies)
Sorry for newbie question. I have a Chineese i3 copy. My melzi board, delivered with the printer, works OK from SD card, but often disconnects the serial connection - and by often I mean every ~25-60...
View ArticleRAMPS 1.4 AUX Ports (1 reply)
Hi there, as a school project a friend and I want to build a Prusa i3. We also want to redesign the RAMPS 1.4 board and add additional functionality to it and leave stuff out we don't need. Currently...
View ArticleRAMPS capacitor question (1 reply)
Hey guys, This is probably a better question for an electronics forum, but I thought I'd ask the people who know the RAMPS best first. On the RAMPS 1.4, a 100µF capacitor corresponds to each of the...
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