Guess what I have on my desk to test next week...?
Two more RISC-V cores to add on to the 8 inside this laptop!
This is a neat little RP2350 GPIO expansion card for Framework devices, which is plugged into the DC ROMA Mainboard II, with an 8-core P550 onboard :)
I sure hope the cups of pee I stuck my hand into weren't actual pee.
Day 1 (Saturday) vlog at #OpenSauce2025 is up on the 2nd channel! https://www.youtube.com/watch?v=95Ec_XZBFMU
A Raspberry Pi CM5 laptop. Would you like to know more?
Do not let perfect be the enemy of good.
I've been playing with some very expensive/accurate (down to single-ns-level) GPS receivers lately.
But I wanted to see how a cheap ($10) USB receiver would fare... and it's easy enough to just connect to it from my Mac! Blog post with the details: https://www.jeffgeerling.com/blog/2025/trying-out-cheap-usb-vk-172-gps-dongle-on-mac
There are few things that grate on me more than people copying and pasting straight ChatGPT generated comments on blogs, videos, etc.
At least do the minimum effort of typing out your own thought based on their summary and your own brain.
I got The Witcher 3 running on RISC-V Linux... just don't look too closely at the fps!
If you're a fan of massive broadcast towers and antennas... over on Geerling Engineering we have some incredible tower climb footage this week: https://www.youtube.com/watch?v=_cGuu7PjiVU
Merry Christmas, and to all a good light!
JetKVM has a rackmount! A local STL-area maker designed a rackmount for 1, 2, 4, or even *6* JetKVMs in 1U, and it can be 3D printed, or even laser cut from metal. Very cool: https://www.youtube.com/watch?v=eVU3NuxKNM4
Oh boy. I had clicked off MKBHD's latest video a minute in since I realized it was full sponsored and just hitting DJI talking points.
But doing driving reckless for a short clip in a video is always wrong. Don't drive 60 over the limit. Not ever, esp for content.
Took a little time this morning to clean up the rack and finally install a separate 2.5G switch!
Having redundant PSUs makes it so easy to reroute power cables when messing around :)
Met nostr:npub1vdgcqkcqdye09j2xdy95g7v2gxws5q5ys7vd2vmre8jhwzhl2k2q3xzgnu today. His Pi-based cubesat is used to teach security for spacecraft, and it's now in the studio.
Would you like to know more?
After you get into ham radio, you stop looking at touristy things and start looking at the antennas on top!
Successful deployment earlier this week, videos on pause for a couple weeks so I can help the other kids get to and fro and prep meals while my wife recovers!
(Though might wrap up the latest Geerling Engineering video since it's 95% done!)
Pi 5 2GB model is $50, has 'D0' chip stepping with 'dark silicon' (unused parts of BCM2712 chip) removed.
I bought a few, and delidded one:
Finally, someone designed a 3D printer for Australians! The Positron V3.2 is a fun, portable printer. I built one and tested off-grid portable 3D printing in my latest video: https://www.youtube.com/watch?v=mTIwNMhFvOU
More RF testing today... video coming soon :)
RISC-V is going mainstream: see how the Milk-V Jupiter Mini ITX board runs as a normal desktop PC, with Ubuntu, Bianbu, and Fedora Linux! https://www.youtube.com/watch?v=YxtFctEsHy0
nostr:npub1hkl57kues9fpagyutlq0rr97ke63gmzs2cmaeeywnlgw4t5arl5qcsrgsc Except there are a bunch of people right now who think our current 'AI' overlords will be creating some sort of superintelligence.