Re: trouble shooting from the ground up
thanks for the responses, After a little elbow grease and lots of pluging and unpluging of usb cables i seem to have almost everything working again, steppers still playing up but they were doing that...
View ArticleExtruder Motor Not Working
Hey All, I recently replaced my extruder head and it required a change in the extruder motor direction. So I swapped the wires for the stepper motor to change the polarity of a coil and now the...
View ArticleRe: Extruder Motor Not Working
Swapping the stepper wires around while the board is on will kill the pololu drivers 99.5% of the time.
View ArticleRe: Extruder Motor Not Working
Ok, then I will need a new pololu driver for the extruder. Can you explain the heatbed issue?
View ArticleRe: Extruder Motor Not Working
Ok, I swapped the stepper of the extruder for another one (with the board OFF this time 8-) ), and it runs fine, I have definitely killed the other one. But the heatbed issue persists...you wouldn't...
View ArticleRe: Extruder Motor Not Working
The FET's are quite sensitive to static damage. Could also have been taken out when the Pololu went. I would guess the FET for the HBP has died in the on position. Since the normal ones are fairly...
View ArticleRe: Extruder Motor Not Working
Dust, Thanks for all of your help. I have now replaced the pololu and my printer is working again. :) I'll look at replacing the power mosfet in the future.
View ArticleSanguinololu connection issues
Hello, I need some troubleshoot. I'm trying to connect a sanguino board to my computer. The board was connected successfuly two years ago so it should work. I'm using pronterface but with no success...
View ArticleRe: No Com Port
what kind of driver are you using? can you link it? try to install this: [www.ftdichip.com]
View ArticleIs it safe to connect a board configured for a standard prusa to a Huxley?
My 2nd-hand huxley didn't work so I bought a replacement Sanguinololu (from here: [www.emakershop.com] ) and replaced it. Now I've connected it to my laptop and it reads it, but I don't want to try...
View ArticleAre the Hotend and Hotbed pins locked?
Hi, I am not using a hotbed on my Sanguinololu, and I would like to use the spare onboard mosfet to control some lighting. I can use a "M42 P4 S255" to turn on pin 4 on the header board easily enough,...
View ArticleIf you keep failing to upload firmware, try this method as a last restort
Like many of you newbies, the most dreadful thing I fear is "stk500_recv(): programmer is not responding" error. There can be so many reasons why this can happen. I was in the same situation. I had...
View Articleincreasing speed of Sanguinololu
Is it possible to run atmega644p at 20 MHZ with marlin firmware? In data sheet of atmega644p,maximum speed is 20 MHZ
View ArticleStepper motors going back and fourth, not much else.
I've just put together my prusa i3 with an sanguino 1.3a and when I hook it all up, my stepper motors go back and fourth about half a turn and all I can see in pronterface is numbers scrolling up,...
View ArticleMechanical Endstop problem HELP PLEASE
Hi any help would be great and thank you for your time. this is my equipment list. Prusa i3 lc laser cut single plate. mechanical endstops wades extruder j-head 0,4mm j-head thermasistor mk2 pcb...
View ArticleRe: Stepper motors going back and fourth, not much else.
I had to use an older version of arduino IDE 0022, then I was able to upload repetier firmware and it worked. Slic3r won't compile now, but I've gotten further anyway. It looks like I do have an...
View ArticleRe: increasing speed of Sanguinololu
Sure, if you replace the Resonator. Then you need to set the CPU fuses for the correct frequency And you need a 20mhz 644p profile for arduino.. Then recompile your sources (which may or may not work...
View ArticleRe: Mechanical Endstop problem HELP PLEASE
The above looks fine... You probably have the end stop cables swapped around, X on Y etc... Move all axis away from any endstops, In pronterface use the m119 command to show the end stop status...
View ArticleRe: Can a k type thermocouple be used with Marlin and a Sanguinololu 1.3a
Slymike, Im starting back into this after getting some free time to mess with it again. I tried to set the settings to -1 in the marlin firmware and upon trying to compile it gives an error about not...
View Articlez motors going forward then reverse randomly
ok sanguinololu 1.3 stepsticks I hooked up my board and have printed close to 90 hours without changing configuration. I took my bot somewhere over the weekend and now has this problem. I get my bot...
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