Re: 12864 Smart LCD with RAMPS 1.4 Strange behavior. :S
QuoteDust There have been a bunch of new boards that the connction from the end of the diode to the mega pin is broken. With a multimeter check you have connection from the left most leg of the diode...
View ArticleRe: Ian's Robert's heated bed
QuoteUkIan So my multimeter gave me the 0.8ohms figure, which I think is too high. It is 7m of 24swg (.56mm) wire, which should be 0.47ohms according to this calculator. The wire is enamelled, so I...
View ArticleRe: Ian's Robert's heated bed
Burned the enamel off the ends, I want it on the main wire to help keep it insulated. One of the reasons I picked it was because one of the reviewers cooked a coil in his oven to test it at...
View ArticleRe: 12864 Smart LCD with RAMPS 1.4 Strange behavior. :S
The connection between the diode and the vin pin is great. Could it be that the LCD itself is bad or damaged?
View ArticleRambo board not powering up
We currently have two RAMBO board that will not power up. They are wired correctly and I am able to connect to them via a USB but am unable to send instructions. I figure that I must be doing...
View ArticleRe: RAMPS for Due!
The Chinese modified can worked properly. Firmware support Repetier (due) and Marlin (due). Here is a link [www.aliexpress.com]
View ArticleRe: RAMPS for Due!
Presuming "cxandy" is the reseller or the maker I have requested source files be published somewhere...
View ArticleRe: RAMPS for Due!
QuoteDust Presuming "cxandy" is the reseller or the maker I have requested source files be published somewhere... SMART RAMPS uses the allmost same pin definitions as 1.4. Here are the pin definitions...
View ArticleRe: RAMPS for Due!
That cct says that your still using the same mosfets as the original ramps, which im told will not work for 3.3v logic, unless you voltage shift back to 5v, and there is no cct for that... There are...
View ArticleRe: RAMPS for Due!
QuoteDust That cct says that your still using the same mosfets as the original ramps, which im told will not work for 3.3v logic, unless you voltage shift back to 5v, and there is no cct for that......
View ArticleRe: 12864 Smart LCD with RAMPS 1.4 Strange behavior. :S
Please check 1117-5.0 on MEGA 2560 board, may mistake 1117-3.3. I English is poor, sorry!
View ArticleRe: 12864 Smart LCD with RAMPS 1.4 Strange behavior. :S
Quotecxandy Please check 1117-5.0 on MEGA 2560 board, may mistake 1117-3.3. I English is poor, sorry! Sorry can you be more specific? What is 1117-3.3?
View Articlemotors length
Hello, I want to built my first reprap and I'm interested in Prusa i3 Einstein variant or Rework. Both of them have single sheet frame and I was wondering about the Z axis step motors length. I will...
View ArticleRe: motors length
Too short isn't an issue as they'll be secured by the mounting parts. Maximum body length is 50mm.
View ArticleRe: 12864 Smart LCD with RAMPS 1.4 Strange behavior. :S
It's a regulator device like a transistor (3 leads on side, 4th lead is the tab). There's a bunch of variants, and one is 5.0 (5V) and the other is 3.3 (3.3V). On a Mega, it's usually between the...
View ArticleRe: motors length
FWIW: Larger motors (usually) produce more torque. To do so, they use either more current and/or voltage to do so. As long as your electronics can drive them, then its all good. For the Z axis of a...
View ArticleRambo 1.2f PIN 6 won't power off
I can't get my PIN 6 to power down. Doesn't matter how I define the pin, it goes high at 22V+ and doesn't change no matter what I do. I originally used it for FAN_1 but could not vary the speed from...
View ArticleRe: 12864 Smart LCD with RAMPS 1.4 Strange behavior. :S
QuoteCefiar It's a regulator device like a transistor (3 leads on side, 4th lead is the tab). There's a bunch of variants, and one is 5.0 (5V) and the other is 3.3 (3.3V). On a Mega, it's usually...
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ATX PSU, Heated Bed, and Wiring
After building a new PCB heater, I ran into a bit of a problem. The PCB Heater is in 4 sections, each with a resistance of about 0.85R. I know that's very low, and puts a tonne of power across it, but...
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