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Sanguinololu layout
Hi, Im trying to find a possible short on my board and while I can test the 5V and 12V from usb/screwterminal to the voltage regulator I have no idea which traces should be connected and which should...
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Re: Sanguinololu layout
Little update: I checked electronics layout because marlin always reported hardware resets. So I tested continuity from GND to all the pins. Im getting beeps on pins 11 and 31 which are ground, also...
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I would think a shorted reset line would definitely cause constant resets. But before you remove the button, I've got a few questions: 1.) Does your continuity checker have a resistance setting? Check...
View ArticleRe: sanguinololu 1.3a communication problems:S
QuoteHi, I am having the same issue.. Using Windows 8.1 and another machine with Windows 7 i keep getting avrdude: stk500_getsync(): not in sync: resp=0x00 I followed all instructions. I am using...
View ArticleEndstops acting odd :S
Well, here's a bit of what I've got to fix: [imgur.com] It reads two endstops pressed when only one has been. It seems to be affecting the Z axis, then somehow seems to "infect" the Y axis switch. for...
View ArticleRe: Endstops acting odd :S
I just wrote a general endstop testing and troubleshooting guide. Double-reactions are mentioned as well. Does this answer your question?
View ArticleSanguinololu & opto endstops :S
Hi there, I am modernising my old Prusa, which involves a newly-soldered sanguinololu board. I used to have Gen 3 electronics and I want to re-use the old opto endstops (v2.1). When no endstops are...
View ArticleRe: Endstops acting odd :S
Well, that did give me an idea of using metal tape to wrap my cables.... I just hope that its enough to stop the EM signals from "jumping ship" to trigger both switches. Thanks for the idea! EDIT:...
View ArticleRe: Sanguinololu & opto endstops :S
By default the endstops on sanguinololu have no power on the v+ endstop pins. Take a look at the bottom of your board eg Bottom of PCB Between the exp pins on the left and the and the endstops pins on...
View ArticleRe: Sanguinololu & opto endstops :S
Also check pinout of these connectors. IIRC pinout of Gen3 and Sanguinololu are different and shorting 5V to GND isn't exactly a good idea :)
View ArticleRe: Endstops acting odd :S
QuoteSkiddWell, that did give me an idea of using metal tape to wrap my cables.... Obviously I didn't write as well as intended. Concerning about disconnected signal wires is a waste. Either you...
View ArticleRe: Endstops acting odd :S
Well, maybe that idea isn't working so well... I'm starting to think that my motherboard has a short somewhere, because no matter what I do, whether I switch it to a known good switch and cable, it...
View ArticleRe: Sanguinololu & opto endstops :S
Thanks Dust, that worked perfectly :) I am a bit embarrased since I missed this info on the wiki page. And Traumflug, yes, I had already switched two wires on my cables, as the pinout is a bit...
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Flyback diode on sanguinololu heated bed control board.
Hey everyone. I started getting uncomfortable with the mosfet and traces running my heat-bed on my Sanguinololu. So I made a small relay board to do the heavy lifting. I have a couple of questions...
View ArticleRe: Flyback diode on sanguinololu heated bed control board.
Flyback diodes have no influence as long as current is flowing. They mean to carry away current generated when coils are turned off. As a heated bed is no coil, they have nothing to do at all. Nice...
View ArticleRe: Flyback diode on sanguinololu heated bed control board.
Thanks Traumflug! I actually added one on the relay coil circuit just for safety. :) I think I need to spend more time on the WIKI - LOL The SevenSwitch uses a more pretty design and of course a...
View ArticleUnable to upload firmware
I have a sanguinololu Rev. 1.3a I have a brand new windows 8.1 Lenovo yoga pro 2 I have Arduino installed and the correct sanguinololu board selected When i attach the usb the red light glows solid...
View ArticleRe: Unable to upload firmware
you have plugged in the auto reset jumper? between the cpu and the pololu drivers SL image Center of image.
View ArticleRe: Unable to upload firmware
Yes. I connected the jumper and still received the same error.
View ArticleShould i add additional 12v for each motor
I have Sanguino 1.3a and next to the motor connectors there are 3 places for separate 12V charge. What do you think, should i give it a try?
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