Re: Which LED/resistor combo to use?
There are many LED resistor calculators on the web. Just google it. Get whatever LED radio shack has and plug the spec numbers in to calculate the resistance. There're only 2 or 3 numbers involved.
View ArticleRUMBA BOARD connect to K-TYPE Thermocouple
Hello Everyone, I am using a RUMBA board for my 3D printer and have uploaded Marlin Firmware to run it. I am using repetier host and pronterface 3d printing softwares to run my printer. The marlin...
View ArticleRe: RUMBA BOARD connect to K-TYPE Thermocouple
From looking at the RUMBA entry on the RepRap wiki, it appears to me that, like most other boards, it doesn't support thermocouples, just thermistors. So you need to use a thermocouple amplifier chip...
View ArticleCustom motion controller board, making weird PWM noises?
Hi guys, I've created a custom motion controller for my new RepRap based pick and place / 3D printer: [hackaday.io] [github.com] COMPLETELY open source, btw.... let's get that out of the way. I'm...
View ArticleRe: Custom motion controller board, making weird PWM noises?
Some other info that might help.... The /ENABLE line is solid-low when commanded to be enabled, and solid-high when not enabled. MS1, MS2, and MS3 are all permanently tied high, as my delta mechanism...
View ArticleRe: Custom motion controller board, making weird PWM noises?
I think this was just a matter of using the wrong calculation on the potentiometer current limiting... I think the sticks were going into over-current protection, and then coming back out of it. I...
View ArticleRe: Custom motion controller board, making weird PWM noises?
QuoteFlyingLotus1983I've created a custom motion controller for my new RepRap based [...] What's the point of reinventing the wheel? QuoteFlyingLotus1983I'm finally getting it running, and it seems...
View ArticleWhich side is 'up'?
Okay, this may seem like a dumb question, but how do I tell which side of my Mk2B heated bed is up? Mine isn't labeled, that I can see, and both sides are silk- screened.
View ArticleRe: Duet + Duex = happiness?
DC42 would it be possible for you to add a delta support? I'm really looking to building my seccond printer and i like the duet very much (mosty ease of use an the web interface is just perfect), but...
View ArticleRe: Duet + Duex = happiness?
I'm looking to rewrite the Move module more or less completely in the near future (mostly to add pre compensation for extruder lag caused by the springiness of the Bowden extruder), and I guess I...
View ArticleRe: Duet + Duex = happiness?
David If you were to add Delta support I would be happy to provide a Mini Kossel Kit: Cheers Tony
View ArticleRe: Duet + Duex = happiness?
Also Core XY is a popular option which I know is being worked on (I have the sample code from a customer, just not had a chance to test/integrate it yet)
View ArticleRe: Which side is 'up'?
I was told to look for the heater traces and have them at the top so they heated the bed directly on top of it. Gordon
View ArticleSolder station replacement
Hey, my solder iron just died on me. The typical thing where it gets to hot and something on the inside melts. I dont want to buy a station new every time that happens so I thought I could just buy a...
View ArticleRe: Solder station replacement
You definitely want a temperature control. Makes soldering so much easier. No need for digital displays and such stuff, though.
View ArticleRe: Solder station replacement
rigth the temp sensor must go back into the station. ill cut it open just for fun and see if the cables allow for it
View ArticleRe: Duet + Duex = happiness?
T3P3 - that would be great of you, would in this case be possible for you to sell the mini kossel kit without the electronic parts - so i can order a duet board and build upon the same config as DC42?
View ArticleA4988 board..GUYS KINDLY HELP ME
I am using A4988 driver board to control stepper motor. The scenario is i need to connect two motors driven by 2 boards to a single source and test its running. when each motor is tested separately...
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