Re: L297 + L298 circuit not working
Yeah I changed the speed , but holy crapabbada ! no luck ! Also this is not my code , I found it on reprap , [reprap.org] According to me the problem is not with the code , i has to be something with...
View ArticleRe: Help with sticking stepper motor
I also have the same problem as OP is seeing. I have the motor disconnected and am turning the spindle by hand. When it sticks it appears to be held magnetically though it is not possible manually...
View ArticleRe: L297 + L298 circuit not working
Well, you need to give us more of a clue than "things aren't working the way they should" :) I just tried that code and it partially works, but doesn't work at high speed as I suspected. However, you...
View ArticleRe: L297 + L298 circuit not working
Surely your circuit has some connections to the other control pins or...? http://www.farnell.com/datasheets/1696835.pdf gives the details for the rest of the connections. Active high/low inputs,...
View ArticleRe: Factory firmware restore on gen6d
Damn, that isn't working as well. But I find it strange that the reading worked all fine before. Flashed reptier with arduino, worked also fine. But then i wanted to write the restored hex back and...
View ArticleRe: Use extern powersupply to heatbed with Melzi board
Thank you both. I will try your options. Happy printing Torben
View ArticleRe: How many extruders do you need?
It's a possibilty, but I think by the time you have added the multiplexer and all the mosfets required it would be almost as complicated as using separate stepper drivers. Stepper drivers are...
View ArticleRe: RAMPS 1.4 power input has melted...what is the problem?
Replaced the board terminals with the Radioshack 16A replacement....works like a charm :D
View ArticleRe: How many extruders do you need?
There's a bit more to the stepper drivers (logic, current control) than mosfets (although it's fairly certain that they use them in addition), I'm just coming up with ideas - you might be able to...
View ArticleRe: RAMPS for Due!
Quotefirehopper never mind hopefully.. my package has been found in philly.. what the heck is it doing there.. now its in harrisburg.. :( .... speaking of these ramps-fds. anyone got a spare one in...
View ArticleRe: Help with sticking stepper motor
Keep in mind that the OP's comments are now 4 years old. I suspect they have worked out their issues by now ....
View ArticleNeed some help figuring out what to buy in terms of electronics for my i3
I've accidentally posted this in the RAMPS forum but it's better suited here. Alright, so I'm completely new when it comes to RepRap, so I'm trying to get the hang of this. There have been so many...
View ArticleRe: SD Card interface by LC Studio SDCARDDETECT hack
QuoteJustblair Yep Hello justblair I am trying run this sd to my ramps 1.4 But I not understand the photo of second commentary it is i understand I CUT TRACK OR NO THANKS
View ArticleRumba short circuit
Hey guys, i recently burned down my Rumba Board caused by an short circuit between the fan and the Motor. As i got a Black Rumba i canĀ“t really see what exactly burned down, but it seems like its the...
View Article[HELP] RUMBA burned
Hello, Today I sadly had the idea to update the cable that goes from the DC power to the Rumba board, I switched the polarities by error and when I turned on the printer I saw a smoke puff. Quickly I...
View ArticleWas this due ON/OFF switching?
Hi there, I've just finished replacing my Melzi Board with a 1.4 Ramps but I'm still confused as to why this happened? I haven't had the chance to test everything but could this also have blown the...
View ArticleRe: RAMPS for Due!
and yay, got my ramps finnaly, and thanks to help in the reprap channel and ambro's work on his aprinter firmware for delta and Due, I have motion on my udoo powered printer :) now all I need is...
View ArticleRAMS or Megatronics for stepper control (not for 3d printer)?
Hello, I need a stepper controller for arduino mega, to control 3 nema 17 steppers. Can I use RAMPS 1.4 or Megatronics for this? Megatronics has the arduino mega built in as I understand. The tricky...
View Articleintel edison
just saw these today, http://www.wired.co.uk/news/archive/2014-01/07/intel-edison its the intel edison, i think something like this could be a major boon to the reprap. if a guy could get it to work...
View ArticleRe: RAMS or Megatronics for stepper control (not for 3d printer)?
yes that hardware will work to drive your steppers, here is your but though. what are you doing.? you may wish to look into something called a CNC Shield, it may be more suited to your taks....
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