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Maybe this is a dumb question but why not just use one of the various programs like GRBL-panel, bCNC, ...? The developers have worked out all the...
GRBL Arduino Library – Use the Arduino IDE to flash GRBL directly to your Arduino
Are you set up to load a new copy of grbl? I'd give that a try before sending it back.
I assume you mean when you click on the Settings tab in GRBL-panel there are no settings displayed. Generally that situation means GRBL-panel has...
Ah, I see. You want to match the other LEDs which all have built in resistors. Can you get a 5V version? That might be cheaper than a relay...
Grbl itself doesn't, it is the gcode sender application that would do that. I know that bCNC can be set up to use an xbox controller. I've tried...
I don't understand the arduino connection to the 5V relay. How are you controlling the relay from the arduino. The 5V relay (make sure it is a 5V...
The way manufacturing cycles go, if hardware design and testing aren't completely done by October, it's pretty much not happening for the...
Look at the grbl/gnea wiki. scroll down to find the discussion on arm
The relay coils are driven off of 12 or 24VDC. If you do not connect 12/24VDC, the problem doesn't happen? I think that is what you said. If...
Why 24V? With a dropping resistor, you could just run the led off the arduino 5V or one of the output pins. Or you could run a 5V relay off the...
Got the right baud rate? Is this a brand new board? Try talking directly to the xpro via a terminal program.
Standard I/O will work, look at the datasheet to understand M1-M3. Either pull up or pull down (I don't recall). The pololu interface should be a...
That's a lot to digest, Joe. I think we see things fairly similarly. A 3D printer makes very low demands on power. Speed is more important than...
The 4988 is an ok driver but it's got limits that aren't readily obvious from the specs. Probably the biggest trap newbies fall into is believing...
So, it's been more than 5 months since the video was posted. I've done quite a few products in my career and it's easy for time to slip away,...
I too would love to see GP on a RaspPI but kind of doubt we'll see it anytime soon. As an alternative, try bCNC, It seems to run fairly well on...
Can you try reloading grbl? It may not help but might tell you if the xpro is bad.
I'm traveling so can't check but you need to have the correct config of grbl. What version do you have? Also, read the grbl config.h. even if you...
try deleting the grbl library (in your user/arduino/grbl and then follow the instructions in the wiki about how to install the grbl library.
