Re: Marlin + RAMPS 1.4, spinning motors?
QuoteDust bit late for a full reply, so this is quick... check those endstops. Normal setup is if the switch is open or disconnected, it is treated as triggered and will stop movement in that...
View Articlequestion about using a 24v heat bed
Hi I am working on a Rostock 3d printer and I had a question about the heat bed. I am looking to use a 240mm round heat bed from Ultibots, but it is 24v instead of 12v, what would it take to run this...
View ArticleRe: Hot End Temperature Not Reading Accurately
QuoteCefiar Where did you get the thermistor that is in the hot end you have? If you can find the correct table for it (or calculate it) then you'll get much better results. You may find that the...
View ArticleRe: question about using a 24v heat bed
If you can Handel having two power supplies Replace the 11amp poly fuse with a thick wire. Plug the 24v supply into the 11amp ramps plug via a inline 24volt car fuse. Plug the Bed in to D8 as per...
View ArticleRe: Hot End Temperature Not Reading Accurately
There's a bunch of tables for EPCOS 100k thermistors, and that's because while they may all be made y EPCOS, and may all be 100k max resistance, various models have various beta curves. I've got a...
View ArticleDual z axis drivers on ultimaker 1.5.7 board
not knowing anything about arduinos or 3d printers i picked up the sainsmart mega 2560 board and 1.5.7 ultimaker board, with all steppers endstop and heatbed included, long story short, making a prusa...
View ArticleRe: Burned an analog port.. how to debug to see what needs replacing?
hmm.. that was my guess.. thanks for taking me out of the doubt. i should surely modify my ramps board for that right? i have no problems with soldering, i'll look into that, hopefully i'll manage to...
View ArticleRe: Melted laptop CPU after switching on heatbed
Thanks for the answer! I measured voltage between the housing of a usb-cable plugged into my new laptop and the PSU-ground. It was a 275 mV DC difference. I think this should be ok? I'm not able to...
View ArticleRe: Melted laptop CPU after switching on heatbed
My printer now runs again! This is quite embarrassing. Here's what I did: Scrapped the old USB-cable got a new one. Switched power jumper to USB. Got connection in Pronterface, led flashed happily....
View ArticleRe: Melted laptop CPU after switching on heatbed
No problem Tobben. Glad to help. FWIW: The only embarrassing mistakes are where you fail to learn from them and repeat them again. ;)
View ArticleRe: Marlin electronics
Hi, as far as I am aware, Erik is developping this for Ultimaker. That's what I fond out from what he said, so I am not speaking on his behalf ;-) They (ultimaker) wish to dustribute the electronics...
View ArticleRe: Marlin electronics
Yeah, that was my idea. I wanted to see some schematics, make one board and see what i could make better. Furthermore, i would try to help a little in the code. Releasing it would be a great idea.
View ArticleRe: Firmware to drive X-Y galvanometer
Hi, Vicktor. I solved most of my problems of galvano software by you! Thank you. I want to ask some questions, since I don't know anything. 1. I'm trying to use [www.aliexpress.com] this galvano...
View ArticleRe: Firmware to drive X-Y galvanometer
... the galvo-head is OK, but the mirrors are designed for CO2-laser wavelength -- which laser do you have? You'll need a high-speed analogue driver with up to 16Bit resoultion, what's not possible...
View Articlebase3d electronics: Stepsticks + Smoothie compatible firmware
Over the past two months i worked on a new electronics that combines Stepstick/Pololu drivers with awesome Smoothie firmware. Some basic parameters: 4x slot for Stepstick/Pololu drivers (1/32...
View ArticleRe: base3d electronics: Stepsticks + Smoothie compatible firmware
The only thing differentiating this board from an Azteeg X5 Mini are the socketed stepper drivers. Am I missing something else? Where do the heated bed and hotend heater connect? I only see two sets...
View ArticleRe: base3d electronics: Stepsticks + Smoothie compatible firmware
You are right, socketed steppers are main difference between this board and Azteeg x5. I wanted to upgrade to Smoothie firmware and reuse my stepsticks, but there is no board which accept them....
View ArticleRe: Where to get female board moun versions of molex 4-pin connector...
Maybe Molex has some thing you can use.... [www.molex.com]
View ArticleNema 34 steppers with DQ860MA on Ramps 1.4 DIR pin issue
hello everyone, i have recently put together a printer with a build volume of 520mx520mx520mm using Nema 34 motors driving ball screws for all axis and Dual Micron 3DP head. I used a Ramps 1.4 set up...
View ArticleRe: Nema 42 steppers with DQ860MA on Ramps 1.4 DIR pin issue
is it possible that i have "burnt" out the optocoupler on the DQ860MA driver DIR signal pin? or does the Ramps 1.4 have current limiting resistors on the driver signal pins already? just odd that only...
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