Re: Having issues with new MendelMax 1.5 build
lets share info. I am having issues with merlin, complier errors you problem I believe is that your motors can run that fast at that current. try first to lower the x,y,z feed rate real slow say 10 mm...
View ArticleRe: problem with stepper motors
If you did not re-compile your firmware as your changed your jumpers, you changed the feed rate (speed) a *lot* going from 16 micro steps to none. It's unlikely that your steppers are happy trying to...
View ArticleRe: Stepper Motor - 17HS19-1684S
Any of the normal stepper drivers should be able to deliver 0.75A to those motors. What control board do you have? If its a Ramps, anything that will plug into the sockets will work. Do you need a...
View ArticleRe: Having issues with new MendelMax 1.5 build
If the motors he has are 5A 0.5V motors, he could easily max out (and maybe fry ...) the driver boards before he gets things set up. Best to know what the motors are set up for before you start...
View ArticleRe: Having issues with new MendelMax 1.5 build
My apologies, I solved this issue ages ago but have been excitedly working on it and forgot to respond :) You're right, It was just that I hadn't increased the voltage on the potentiometer on each...
View ArticleRe: Opensource PIC/ AVR bipolar stepper driver
yes, simple stepper driver, no pwm, just a controller that can accept step and direction signal and drive a bipolar stepper
View ArticleRe: Opensource PIC/ AVR bipolar stepper driver
Microchip app notes: AN906, AN907, AN822, and AN1307 give a pretty good set of examples for circuits and accompanying source code on how to do it. They go into microstepping, but you don' t have to do...
View ArticleMelzi with discrete components.
Hi, I'm new here. I want to redesign the Melzi PCB for using with discrete components, and for using with ATMEGA 644P, all these requirements are because in our country there's a lot of importing...
View ArticleRe: Opensource PIC/ AVR bipolar stepper driver
i have 12v steppers, Is the drivers using dsPics and dedicated stepper driver chips comparable, since if i want to use microstepping in future ?
View ArticlePowering up a xbox 360 -S- power supply
Hi Everyone, I've got an xbox power supply for the xbox "S", it is only rated at 135 watts. More than enough to supply the RAMPS and steppers. I've cut off the twin barrel connector plug, and found...
View ArticleRe: Powering up a xbox 360 -S- power supply
Have a look at: [cwackduck.com] The person who wrote that used a normal supply with a "Slim" adapter, but the procedure should be the same, and I'd also hazard the colours are the same, from your...
View ArticleRe: problem with stepper motors
when using 16 micro step mode you get a lot pulses per rotation, the higher the pulse rate the lower the motor torque.
View ArticleRe: Crowdfounding Project "SAV MkI 3D printer electronics"
I'm starting to make the final modifications to the board that will become Rev C. All the modifications are minor but they sure will provide a good overall board with all your great inputs. I have...
View ArticleRe: Crowdfounding Project "SAV MkI 3D printer electronics"
Great!! :D I already have mine!! ;) Im going to help in the campaing anyway, this boards deserves it!!
View ArticleRe: Crowdfounding Project "SAV MkI 3D printer electronics"
Thanks Iceflow for supporting this campaign!
View ArticleRe: Powering up a xbox 360 -S- power supply
Thanks, that's exactly what I was looking for!
View ArticleRe: Opensource PIC/ AVR bipolar stepper driver
The pic code can be implemented in a way that would be compatible with driver chips. Since the driver chips are *much* cheaper than the pic based solution it's not really clear what the purpose would...
View ArticleRe: problem with stepper motors
The pulse rate is not the same as the motor rpm's. In the case of a 16 point micro step, you would feed the driver chip 16x4 = 64 pulses to do one sine wave cycle on the motor. For a X1 (direct step)...
View ArticleRe: Melzi with discrete components.
Yes, uncle_bob, you are right, but the biggest firmwares (Marlin, Sprinter, Repetier) works on mothers like sanguino that have the 644.
View ArticleWhat would cause controller to reset back to defaults?
I have a printrbot Simple up and running with the Marlin firmware. I'm getting good prints and everything's nicely tuned. Yet today I noticed stuff was really out of whack. After looking and double...
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