joshu

46 ms·

601.
by joshu 6y ago
is anything with a motor a robot? of course there is a hierarchy, with the stepper-driven open-loop machine he gave as an example being further down the ladder.
602.
by joshu 6y ago
a CNC does not have a perception/reaction loop and is no more a robot than a dot matrix printer might be. the cheap cnc machines don’t even have closed loop control. it certainly isn’t solving any of the right problems.
603.
by joshu 6y ago
IHNJ, IJLS "eigendumpling"
604.
by joshu 6y ago
I've just started down this path using a plain RTSP-serving camera and a low end box using the Coral EdgeTPU to process the frames. It looks like there are a variety of solutions available. https://github.com/blakeblack
605.
by joshu 6y ago
that one is was the first test with that brush. It turns out you can't really just drop the brush, you get strange twitch marks...
606.
by joshu 6y ago
plotting is a huge amount of fun. i've built several large drawing machines [1], [2] and gotten some old HPGL plotters working including a Roland DXY-1150 and a HP DraftPro DXL (7575A) I'm currently working on using brushes and pa
607.
by joshu 6y ago
the classic: http://graphics.stanford.edu/papers/lfcamera/ (good lord can someone upload that video to youtube)
608.
by joshu 6y ago
Who makes the motor, then? Where did you get the electronics side of it? I want to design an electric formula car and am having some trouble deciding what parts to go with.
609.
by joshu 6y ago
what are you going with for the motor controller?
610.
by joshu 7y ago
anyone know what connector the gameboy link cable uses? i actually have a gameboy printer and it would be fun to print to from a PC
611.
by joshu 7y ago
what about the 30-50 feral hogs that run into my yard within 3-5 mins while my small kids play?
612.
by joshu 7y ago
Doesn't the raspi eventually shit the SD card if you just drop power?
613.
by joshu 7y ago
what’s the ongoing costs on the bmw like? i assume mx-5 cup is not hugely different from spec miata, which i race now.
614.
by joshu 7y ago
I've driven fairly high end rigs (higher than the linked one) and found them very difficult to drive compared to the actual car and actual track. If you want to play around or aren't trying to learn a competitive edge, I'm su
615.
by joshu 7y ago
These are too low-end. The first simulator I used that you could actually feel the car correctly was ~ 100k euros...
616.
by joshu 7y ago
So I was invited to speak at Goodwood FoS in 2018 and I ended up using a simulator that I could actually sorta almost drive by feel - it had a specific rail to let it rotate around the nose (to simulate the tail getting out) and bladders in
617.
by joshu 7y ago
China instituted massive lockdowns. People are suspect of Japan’s numbers. You need to compare rate of growth, not the current number. Otherwise you are arguing that a Camry at 60mph is faster than a parked jet.
618.
by joshu 7y ago
downthread there's a USB-ISA adapter (lets you use ISA boards via a USB port) and that was so odd I chipped in actual money to see it happen
619.
by joshu 7y ago
if you are high in triglycerides, no, you should not be eating fish packed in oil.
620.
by joshu 7y ago
God. I had so many ideas for things to build for del.icio.us that never happened - Yahoo managed to kill every bit of forward momentum we had, and then some.
621.
by joshu 7y ago
i was so hoping this was about vvvv.
622.
by joshu 7y ago
see also: gage block wringing
623.
by joshu 7y ago
i did a track day up there years ago who was chp and was trying to explain you had to take trigonometry to me for taking the radar speed of a vehicle at an angle...
624.
by joshu 7y ago
http://selfracingcars.com/ - i run this and it is at the same track as in the video.
625.
by joshu 7y ago
it’s the skid pd at thunderhill. there are definitely walls, they are just off camera.
626.
by joshu 7y ago
Thunderhill sighting!
627.
by joshu 7y ago
“ The name XMOS is a loose reference to Inmos. Some concepts found in XMOS technology (such as channels and threads) are part of the Transputer legacy.”
628.
by joshu 7y ago
no. https://en.m.wikipedia.org/wiki/Automatic_content_recognitio...
629.
by joshu 7y ago
this is why venture funds leading consecutive up-priced rounds is rare. their LPs do not like them to price their own shares and would prefer if there was external validation. (when you see the previous lead do another round it can be at th
630.
by joshu 7y ago
Looks like it replaces the rear diff. So not a drop-in replacement.

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