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Posts by David Wheeler

Selfie in a sweatshirt peppered with snow. (matches my hair)

Selfie in a sweatshirt peppered with snow. (matches my hair)

Snow? Anyway, I hope to see you at # RMRRF.

16 hours ago 8 0 1 0

I'm excited for Rocky Mountain RepRap Festival #rmrrf this weekend. Who here on bluesky is planning to attend?

1 day ago 2 1 1 0

Do we need to study zodiacal light, then? Can we get some spectroscopy and polarization studies?

1 week ago 2 0 0 0

Depression really sucks that way. I hope you get some relief sooner or later.

1 week ago 1 0 0 0

If you see @pezliz.bsky.social while you're there, you have to arm wrestle to decide which of you is my favorite streamer. :-)

1 week ago 1 0 1 0

I hope all goes well. I'll be watching and rooting for Artemis.

2 weeks ago 1 0 0 0

Trying to get up to speed with Yocto and learning all the new terms and I get hit with this? Poob really does have it in for me.

2 weeks ago 0 0 0 0
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Ooh, irresistible.

2 weeks ago 1 0 0 0
Tuxedo patterned cat, laying on its back.

Tuxedo patterned cat, laying on its back.

I really enjoy all the things you share so it's the least I can do.

2 weeks ago 1 0 0 0

You too? I did one a couple years ago. It was fun so I bought some new paint, bigger blocks and ... they're all just sitting around.

3 weeks ago 1 0 1 0

Same. Yeah, same.

4 weeks ago 0 0 0 0

And in 2031 it will be half my age. I get it. I'm almost dead.

1 month ago 1 1 0 0

So I think I may need to drop the PYNQ stuff and explore a recent Yocto distribution to continue exploring Rust on this Zynq platform.

1 month ago 0 0 0 0

On the plus side, that working setup allowed me to install Rust on the platform so I was looking forward to experimenting with that. But I wanted to write up the work and having it tied to older tool versions doesn't seem great.

1 month ago 0 0 1 0

I did succeed in getting all the PYNQ components to build and deploy using PetaLinux/Vitis 2024.1 at one point. But the same process with 2024.2 and beyond runs into build issues. And now I need to work with a reference design based on Vivado 2024.2 so something's got to give.

1 month ago 0 0 1 0

Since December I've been working with the Xilinx Zynq platform and trying to get the PYNQ Python/Jupyter environment working. But, wow, it's just been one roadblock after another hitting version restrictions with Vitis, Vivado, PetaLinux, Yocto and PYNQ. (more)

1 month ago 0 0 1 0

Congratulations!

1 month ago 2 0 0 0
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Closeup of a wood workpiece with half a spiral bit laying in one of the pockets.

Closeup of a wood workpiece with half a spiral bit laying in one of the pockets.

This is the fifth time I've run this particular CNC job with no issues but this time the bit breaks? Never trust a CNC machine.

1 month ago 1 0 2 0

You have to be a certain age to remember when this was inconceivable.

1 month ago 0 0 1 0

Oops, I was way off. Sorry for the confusion.

1 month ago 1 0 0 0

I thought that was a reference to the subway sub thrown at a National Guardsman here in DC.

1 month ago 0 0 1 0

You're making DC proud.

1 month ago 0 0 1 0

Update: with a bit of struggle, I did manage to use a hydraulic press to remove the old bearings and install new. Sadly, I neglected to take pictures.

1 month ago 1 0 0 0

I tried taking the housing apart to get to the bearings but I need to use a press. So I'll take it to our robotics meeting today and use the one in the shop.

1 month ago 2 0 1 0
A small router with the motor brushes removed. Old brushes are worn to less than half the length of a new set, also pictured.

A small router with the motor brushes removed. Old brushes are worn to less than half the length of a new set, also pictured.

This 5-year old Makita router that I use on my CNC has never had any maintenance. Today I want to try and replace the brushes and bearings. Old vs new brushes pictures.

1 month ago 4 0 2 0

Yeah. Our friendly one came to the deck today.

1 month ago 0 0 0 0
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It's not just me, then. Also Turk looks the same age as before?

1 month ago 0 0 0 0

That's more than 1 out of every 1000 people in the US. Is that number actually plausible?

1 month ago 5 0 4 0

I'm reading Rockville is in the 1-10 inch zone. :-)

1 month ago 0 0 0 0

Awww.

1 month ago 1 0 0 0