Thermistor voltage divider resistor question (2 replies)
Hi all I'm in the process of building a Prusa i2 using my CNC router as a repstrap. The router works well but is really slow compared to a dedicated printer as I've got a maximum speed of 1500mm/min...
View ArticleRamps V1.2, flashes ok but no response and gets hot. (no replies)
Hi all, My mendel has ramps V1.2, it was working. Then I lost one direction on the Z-axis (unsure how). Checked the motors and it came down to the port where the stepper driver plugs in not working....
View Article12V Power Connectors (1 reply)
Hi, I am half way through a DIY Ultimaker build and have come to order parts for wiring (I have already assembled my RAMPS 1.3 board) I want to use some kind of panel mount connector for the power,...
View ArticleMarlin and Pronterface stepper always on Setting ? (1 reply)
Hi all, I am a newbie for reprap. I had just converted my Up! printer to a reprap :D I had installed a RAMPS 1.4 electronics, using Marlin firmware and Pronterface. I had some issue with my setup...
View ArticlePlatinum temperature sensor for hotend? (1k) (no replies)
Who know- can i use a platinum temperature sensor 1k in hotend? how? series 700-102AAB-B00 (Honey) -70+500 C* Thanks)
View ArticleSet Sprinter PID to be less aggressive and better heat transfer to thermistor...
I tested my J-Head MK IV-B hotend with the stock PID settings of Sprinter. After a more or less huge overshoot when heating up (around 20°) it works fine. I use a heating element, no a resistor. It...
View ArticleMosfet Burn (no replies)
hi my ramps 1.4 have a mosfet burn (heatbead) but in my city is hard to find electronic parts i dont know much about electronics so i want to ask if this mosfet can be use insted of the stock of ramps...
View Articlefried my arduino mega, well two of them in 2 minutes :S (13 replies)
Hi I'm building a delta 3D printer. Electronics are 2 kits from gadgets3d.com bought on ebay.(arduino mega, ramps 1.4, sdramps, G3D drivers.....) Power supply is 12V 30A, switching... I tested tested...
View ArticleApplied Motion HT17-075 Stepper Wiring Question (2 replies)
I managed to salvage some Applied Motion HT17-075 Stepper Motors at work to use in my RepRap Prusa build I am engaged in. However I am not clear how these wire to my new RAMPS 1.4. See Applied Motion...
View ArticleI can not operate the heatbed with ramps and arduino mega 2560 1.4 (2 replies)
I have a 1.4 RAPS with arduino mega 2560 and heatbed Mk2A and a source of 28A. I can not get him to the heatbed current, use the sprinter and prontface, I'm in the process of setting up the printer...
View Article"Set Home" button missing in Windows version (no replies)
Although I do not have a Printrbot Simple, I am active in the Printrbottalk forum and trying to support many people who do have Simples. The Simple has no "zero" switches, so the printhead must be...
View ArticleCalibration Box - Help (no replies)
Hello everyone, i need help with calibrating with my first repstrap. I have followed all the steps/wikis and blogs i found but it seem the box is kinda out of scale(?). As you can see i used a 20x20mm...
View Article5 and 11 amp ? (3 replies)
I'm building a new printer and I really want to test out just my z axis, as that is the only thing ready. I'm going to use 2 PSUs, a 24 v for the bed heater, and 12v for the rest. I don't have my 24v...
View ArticleHot End Heating up on boot (no replies)
Hi-- As soon as I turn my printer on (Prusa Mendel) the LED4 light immediately turns on and the Hot End starts heating up indefinitely. It's as though it was given a command to heat up and it can't...
View ArticleRamps 1.4 - motor issue (5 replies)
Hi all, I got these nema 17 motors, found that they are 6 wire Japan Servo Company motors. It is 3 wires per coil with centertap. From my understanding, The setup would work Bipolar if i just ignore...
View ArticleE1 question[SOLVED] (3 replies)
in marlin or where ever how do i change the 2 z and put it on e1 instead of having one driver sharing the load can have them both seperate?
View ArticleAny experience/opinions with Iduino electronics? (no replies)
Hello everyone, I've got a printer running with CNC Mach3 software, but the quality is hindered by the poor software. I can only use Slic3r for making models because of the unique Gcode, and I really...
View Articlepossible electronic rep rap? (no replies)
What about UDOO, there's anyone currently coding to get Arduino Due working with RAMPS or Marlin stuff>?(tu) have a look [plastbot.wordpress.com]
View ArticlePowering a 24v heated bed via RAMPS (1 reply)
I'm no electrical engineer, but I was trying to figure out if the 11A rail of the RAMPS board could be powered with 24 volts instead of 12 so that I could use a beefier heater. I'm building a delta...
View Articleprogrammable button (1 reply)
hi i am just wondering is there any pins i can reprogram for a button basically i want to put a emergancy stop button so it send a g code command i tried search on here but couldnt find a topic about it
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