Re: USB cable starts overheating when Power Supply is turned on
I replaced the stepper that was broken on the Sanguinololu board, I turned on the device without the USB cable in. Immediately the stepstick that I replaced started to heat up like crazy while all the...
View ArticleRe: USB cable starts overheating when Power Supply is turned on
Take out that stepstick (and all others, and everything else that can be disconnected) and offline (no power) measure resistance at its points, between the 12V, 5V to ground. Both on that stepstick...
View ArticleRe: USB cable starts overheating when Power Supply is turned on
Check for shorts near that driver socket. There's probably a short between 0v/5v and 12v/1a/1b/2am/2b
View ArticleRe: USB cable starts overheating when Power Supply is turned on
Do the measurements on each side after all parts have been disconnected / taken away. For example 1a 2a 1b 2b are stepper driver outputs and once the driver is out of its socket, these lines should...
View ArticleRe-using Generation 3 electronics / techzone remix
Hello, Is there any way to get current firmwares like Sprinter to run on Generation 3 Electronics/Tech Zone Remix ? I found that Sprinter supports Techzone Monotronics (whichs is basically the same,...
View ArticleRe: Re-using Generation 3 electronics / techzone remix
I think initially the extruder board was primarily meant more like a servo controller (free of main uC interrupts), in order to drive a dc motor for extruder with an encoder. Putting that aside, the...
View ArticleRe: USB cable starts overheating when Power Supply is turned on
Hey, it's not getting any clearer. I can't seem to find much wrong here.. I have emailed the seller and we agreed on me sending to him the power supply, the sanguino and the stepsticks so he can check...
View ArticleRe: USB cable starts overheating when Power Supply is turned on
If it would be a guess i would think the 7805 failed and lets the full input across output and hence it gets sinked through usb cable. Could try check that. Discovering a short somewhere would of been...
View ArticleRe: USB cable starts overheating when Power Supply is turned on
Yes, I will tell the seller that that might be the case! Thanks NoobMan :) Btw, is it just recent that the forum keeps being inaccessible? Since today it seems better again, but the last few weeks...
View ArticleRe: USB cable starts overheating when Power Supply is turned on
Yes for me too the forums were going poorly in last couple of weeks. I think the amount of info&visitors very is big and its quite a hard and probably becomes increasingly harder to host this -...
View ArticleRe: Need PCB to support 10+ motors+etc
o my this is very interesting for me ... 10 stepper channels !!!
View Article:: any1 good with Kicad :: (:P)
i need a pointer on why the PCBnew, when printing as a jpeg (using pdfcreator plugin), doesnt render the tracks like a normal track. is there something i missed? (i just learnt to use it 6hrs ago) it...
View ArticleRe: USB cable starts overheating when Power Supply is turned on
For now the 7805 is replaced and the firmware is loaded again. It all seems to work, will receive the Sanguino back in a few days I guess.
View ArticleRe: XBOX 360 Power Supply, last connections?
I finally got around to hooking up my Xbox 360 power supply. I have the largest version which is 203watts. The blue wire is power sense which I connected to a switch along with the red 5v to take the...
View ArticleRe: Optos vs Microswitches
Why am I not seeing much in the way of reed switches. They can be purchased for a minamal amount of money as they are used in window burgler alarms. I would like to know more about hooking them up and...
View ArticleStepper Driver shuts down my RAMPS board...
I am building my first Prusa Mendel, with RAMPS 1.4. I have Pololu stepper drivers. When I attach one of my drivers to the board it causes the board to shut down. This happens no matter which position...
View ArticleRe: Stepper Driver shuts down my RAMPS board...
Check the driver for a short, probably between VDD and GND.
View Articlestepstick with no limit rotating trimpot
Hi I bought some stepsticks on ebay a month ago and was going to test them today, but it was kind of easier said than done... I went to the stepstick page on reprap.org and got to the place where you...
View ArticleRe: Stepper Driver shuts down my RAMPS board...
Thanks. However, I should point out that I am very new to this level of electronics (I have a strong CAD background and am trying to get into 3d printing...). I do not see any signs of a short on the...
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