Re: Switching heat bed
Note that these MOSFETs (not exactly Transistors) don't switch 12V, but 0V. Heater turned off means you have 12V on both pins, not 0V.
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New TFT control panel for 3D printers
I am working on a design for a control panel for 3D printers based around a touch screen. Here is a photo of the prototype: 2014-11-06%2014.25.07.jpg As well as the TFT display, the unit will include...
View ArticleHelp with 4PI / Reup
Hello everyone, I am making a 4PI / Reup board and have sourced most of the parts but there are one or two discrepancies in the BOMs and I wanted to ask if people either have an opinion or direct...
View ArticleRe: Help with 4PI / Reup
Kliment lurks on the irc://freenode/reprap channel he isnt very vocal these days, but will normaly reply if you leave him a message via the bot (ask in channel about leaving a message via the bot) The...
View ArticleRe: Help with sticking stepper motor
Hi all, this is my first reprap forum post, but I just fixed my 'sticked' stepper motor - works as new, so I want to share it with you!. At first, this is caused by magnetic short between two rings...
View ArticleRe: New TFT control panel for 3D printers
I am more interested in this with the larger screen and coded for the DUE. The mega can barely run the 4 line LCD and a delta bot. The due has much much more HP and to be quite frank, they are down...
View ArticleRe: RAMPS for Due!
Just to clarify, what kind of firmware would support the DUE/Ramps combo? I have not seen much if anything support that particular setup. Anyone? I would love to try this thing at some point.
View ArticleRe: RAMPS for Due!
Quotejaguarking11 Just to clarify, what kind of firmware would support the DUE/Ramps combo? I have not seen much if anything support that particular setup. Anyone? I would love to try this thing at...
View ArticleRe: RAMPS for Due!
Quotepowool Quotejaguarking11 Just to clarify, what kind of firmware would support the DUE/Ramps combo? I have not seen much if anything support that particular setup. Anyone? I would love to try this...
View ArticleRe: Where to get A3949, how to replace it?
im in the uk and im building the reprap electronics from pcbs ive bought off that auction site, im really struggling to find a3949 chips the right size, any ideas where i can get two?
View ArticleRe: Where to get A3949, how to replace it?
Go to [www.findchips.com] and enter part number It will list several suppliers of this chip
View ArticleRe: Where to get A3949, how to replace it?
thanks but it is only showing stock on either through hole or a different packaging lay out, the ones i need are so16w(?)
View Articlehow to identify board on my 2nd hand printer think it a Gen6
hello to all of you this is my 1st post and I look fwd to becoming a contributing member of this forum in the future..... but I need a bit of help 1st... I need to Identify the board I have, I have a...
View ArticleRe: New TFT control panel for 3D printers
Perhaps I didn't make it clear enough, but the unit I have designed has its own 32 bit processor on board to drive the display. So there should be no reason why an Arduino Mega based printer couldn't...
View ArticleRe: how to identify board on my 2nd hand printer think it a Gen6
I saw 3dstuffmaker on the board, so I went to their website and found this, so yes it looks like a Gen6. It also looks like it could use a cleaning :)
View ArticleRe: Where to get A3949, how to replace it?
Here. It looks like A3950 is the newer version of A3949.
View ArticleRe: Where to get A3949, how to replace it?
thanks for the help, seems im flogging a dead horse, the 3950 is about half the size i need so wont fit on the pcb, not sure what to do now, seems that as i make a bit of progress with this thing im...
View ArticleRe: Where to get A3949, how to replace it?
As far as I can tell, this chip is not used in electronics more recent than Gen3. You could save yourself a lot of pain by switching to something more recent. Failing that, there was a Gen3+ board...
View ArticleRe: how to identify board on my 2nd hand printer think it a Gen6
thank you....that is what I was thinking but really appreciate confirmation. now I can go chase rest of my wants and look for answers very specifically.... yeah needs another dusting.... its...
View ArticleRe: Where to get A3949, how to replace it?
sounds about right, ive been building the boards for about 4 months now and the last pieces of the puzzle are the a3949 chips, thats all i need to complete...... its just my luck to get right to the...
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