Re: Choosing Thermistor based on table - Marlin
I have now lowered my printing temp to 240ºC and it still seems to work pretty well. There are some mechanical factors now also influencing how I print, I need a new extruder, yesterday my filament...
View ArticleRe: Firmware to drive X-Y galvanometer
Form-1 does not seem to be open source, but there is an animation on their website [formlabs.com] showing the galvo scanner. The diagram shows two mirrors, but no lens. I guess the diagram is a...
View ArticleTOAD4 Open Hardware Project
Hi, I though some of ReRappers and people who hang around here could be interested in my TOAD4 (and EazyCNC) project. This is a 4 axis PCB designed around four B6560 drivers and a PIC18F4550, and...
View ArticleRe: TOAD4 Open Hardware Project
The timer interrupt runs at about 11 kHz so in theory about 5.5 kHz but I would expect that the jitter might be a problem, i would expect that we can get up to 0.5-2 kHz, but that remains to be tested...
View ArticleRe: TOAD4 Open Hardware Project
Well, I'm was talking about my firmware. The limit for the 6560 driver chips is 15 kHz and that is achievable if you do not need the kind of motion control that I use with my EazyCNC and G-code. I'm...
View ArticleRe: Firmware to drive X-Y galvanometer
... I think the ceapest way would be to salvage an old laser-printer for the 'single-axis' F-theta optics in the printing head and use this for the Y-axis, while the complete head would be displaced...
View ArticleRe: TOAD4 Open Hardware Project
... will receive soon some microstepping drivers with up to 100KHz (and have some others with up to 200kHz and 10MHz), so really interested in faster controllers ;)
View ArticleRe: TOAD4 Open Hardware Project
ok, then this not for you, I guess you need something than can generate the pulses in hardware then (from CPU timer or FPGA). I'm not up to speed with how RepRap works, just thought someone might be...
View ArticleRe: TOAD4 Open Hardware Project
... thought, it could be the other way round -> motivate developers of controller boards to design much faster controllers, as the new microstepping chips with 1/32 to 1/128 microstepping receive...
View ArticleRe: Firmware to drive X-Y galvanometer
I'll keep my eyes open for scrap printers, there are plenty on ebay but the cost of transport is far more than they are worth! There's a guy at work who knows where to get stuff, I will ask him :) I...
View ArticleRe: Firmware to drive X-Y galvanometer
... maybe another idea beside galvos ant F-theta optics - I have some high resoution and fast stepper drivers, that can rotate small mirrors nearly as fast and accurate as galvos. The better (more...
View ArticleRe: XBOX 360 Power Supply, last connections?
Hi There, I'm working on wiring an OG X-box 360 PSU for use with my printrbot GO and am not 100% sure what to do with the +5VSB and Power Enable leads. One article I found said you could just twist...
View ArticleRe: Noisy stepper motor driver
There is a very niosy voice in the three axis when I run a program but when I run it manually it is very smooth. I am connecting 2 motors of X-axis to the same point 2 & 3 in the breakout board to...
View ArticleRe: XBOX 360 Power Supply, last connections?
I have a complete write up on it. Its on my WordPress blog and the link is below as my signature. Check it out. I used one for my printrbot Nintendo edition build.
View ArticleRe: Reprap Arduino Due Shield project - looking for helping eyes.
[www.kickstarter.com]
View Articleteacup error
hi all i am new here and having a hard time getting teacup to my arduino uno. when i try to compile it i get an error. i have attached the pic. what am i doing wrong?
View ArticleRe: teacup error
REFERENCE should be defined in config.h, see config.default.h. While this can be solved easily, this error also hints your config.h doesn't work as expected. ... you can copy & paste such errors,...
View ArticleRe: XBOX 360 Power Supply, last connections?
Yes I saw that, but I still can't make sense of QuoteREPRAP SQUAD The yellow wire reads at about 12.3 v @ 16.5 amps and the 5v @1 amp which works well with my Printrbot. in combination with (from the...
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