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You need a common reference (usually it is ground) that the two boards share. It's not for power, just for logic comparison; it'll pull a few...
Interesting. I don't know if I have future NEMA 17 projects coming up, but I'll bear it in mind- it's definitely worth the price once you account...
Ingore the GND on the board, send the driver +5V from another pin. If it wants a common high, that probably means it's going to step on low. grbl...
Appreciate the handy troubleshooting points! Ah, yeah, I was wondering, because I'd never heard of them being optoisolated before. Not to worry,...
The solution: both a bad board and a bad driver. The only thing that explained the weird behaviour, but seemed like too far a reach to be likely....
Well right, that was my point. :D Arduino with a shield- one of the cheap $15-25 4x a4988 StepStick shields. Hmm, I like these ideas! Let's...
Might be a long shot, and this isn't so much grbl specifically as an Arduino problem, but since said Arduino is running grbl, I thought I'd post...
:ROFL::ROFL:
I hope you're planning on replacing the Jacobs chuck if you're planning on doing any milling with this machine! :eek:
Depends what you're going to be running and how, but grbl is a great introduction to machine control. It's relatively simple, very cheap to start,...
If you're using a driver breakout shield, do you get continuity between the shield's limit pin(s) and the Arduino pin(s)? ie. Is it a board trace?...
This was me with photography. While I haven't really fully left it behind- the props, ultimately, are an extension of it- the realization that...
Did you check the continuity of the switches themselves? (ie. does the diode tester read ~0 when the switch is manually closed and megaohms when...
"Pluggable terminal block" should bring up a fair number of options. That 3.81mm pitch is the standard size for most things at this scale (eg....
Video 5, framing up, uploaded in the build section. Next up, grbl and wiring up! [ATTACH]
I had originally hoped to have it finished by the end of the year. With all the other projects I have on the go and trying to finish up, I suspect...
Sounds good! Sounds like it's something along the lines of Dave Hakkens' Precious Plastics initiative, actually, which is great!
That's amazing, I'd play the hell out of that! Sadly, my modding experience is entirely limited to ripping game models so I can build them, at...
Now this is a build up my street! All over this. :thumbsup:
Those are the versions of each I've been running. I don't remember how I originally flashed grbl using the Arduino IDE, so I didn't bother. Look...
