Impressive and inspirational! Thank you for sharing this. I tend to think I might do something with two Arduinos (and I2C). Not sure. I'm working...

As so many new users are mentioning their interesting first / early computer experience, I'll comment on mine. I'm just a user rather than builder, b...

Hello Andrew! I can hardly wait to see your workstation - I've been thinking exactly the same way. Though I imagine for pride if no other reason I'...

Thanks everybody. I think the problem turned out to be a failed a4988 driver. I know a good engineer would have discovered that earlier.

Hi JCurrer, "There are no dumb questions, only dumb answers"!? Tom

Nice post!! I am happy to say that Bill's forum is one of the best things in my life right now! I don't know of any forum that so well hosted, supp...

The problem I'm experiencing is "It won't work for me. The X stops working and just twitches and the A won't do anything." I didn't receive any err...

Thanks for re-pasting the link, @frogandtoad. These are the steps in the nice page you linked: "Using two jumpers the 4th axis can be configured t...

@frogandtoad, I don't think your link is correct, is it? I'm keen to see if it shows something I haven't been shown so far.

Wow, in a way it feels as if so much has happened since I posted the above, but when I look at my project's progress it's a bit demoralizing. Has a...

Hi Greg, I've found your website - that will give me some fun reading tonight. I'm also programming my turntable stops but I think I'll ne...

Thanks, @nemo! I remember a lot of this - calibration with substitute gear ratio mechanisms selected when the tires were hot and so on. I remember o...

Certainly not helping with your question, but asking my own: are GPS devices allowed in rally computers? Tom #H&WTR #ModelRailroad

Hello Greg! Congratulations on your career adaptability! I am also working on a Arcuino - DCC - stepper motor railway turntable. What sca...

Good luck James!! Hoping for good news and real relief soon.