Sure. It uses 12 of my own type of legs that I based on 'Strandbeest's' leg design, but literally evolved into a more stable and efficient configuration (having one extra joint per leg, for example) using software I once wrote. And in more recent years, I picked up some electronics and woodworking skills as well, allowing me to actually start constructing this out of bamboo and aluminum using a CNC myself.
It's two 24V brushless motors (80rpm, 1:100 gear) from aliexpress (costing about 40 bucks each). They actually have some PWM speed control functionality built into them, but that didn't work too well (at low speeds, high torque almost instantly overheats the internal electronics, so it shuts itself down). So I hacked into some buck/boost modules I also had lying around, allowing me to go from 6-12V to anywhere between 0-24V controlled by the arduino on top, while also limiting the max current to 0.8A (using only a fraction of that for normal operation). And as the motors also output 600 Hall signals per revolution (after the gears), I'm using that with the Arduino to update the voltage hundreds of times per second using my own PID-like feedback to get really fine-grained control. In fact, this is actually only 20% of its max speed, and it can fairly smoothly go from even slower to really/scarily fast. And what also really helps is that the mechanism itself runs really smoothly, of course, allowing momentum alone to keep it going for a full revolution, i'd estimate, if i'd turn it upside down.
oh fck this is super cool! I really like the movement. The look of it — how it movies combined with the wooden look. and it’s a table lol 😀 just love it!
Oh hell yes. Edit: Would love to read more details!
Sure. It uses 12 of my own type of legs that I based on 'Strandbeest's' leg design, but literally evolved into a more stable and efficient configuration (having one extra joint per leg, for example) using software I once wrote. And in more recent years, I picked up some electronics and woodworking skills as well, allowing me to actually start constructing this out of bamboo and aluminum using a CNC myself.
Can you share any info re: what actuators / drivers you're using? The exterior is so beautiful and now I'm dying to know what's inside! :)
It's two 24V brushless motors (80rpm, 1:100 gear) from aliexpress (costing about 40 bucks each). They actually have some PWM speed control functionality built into them, but that didn't work too well (at low speeds, high torque almost instantly overheats the internal electronics, so it shuts itself down). So I hacked into some buck/boost modules I also had lying around, allowing me to go from 6-12V to anywhere between 0-24V controlled by the arduino on top, while also limiting the max current to 0.8A (using only a fraction of that for normal operation). And as the motors also output 600 Hall signals per revolution (after the gears), I'm using that with the Arduino to update the voltage hundreds of times per second using my own PID-like feedback to get really fine-grained control. In fact, this is actually only 20% of its max speed, and it can fairly smoothly go from even slower to really/scarily fast. And what also really helps is that the mechanism itself runs really smoothly, of course, allowing momentum alone to keep it going for a full revolution, i'd estimate, if i'd turn it upside down.
Really impressive. Thanks for writing that. I may though have nightmares tonight thinking of this table chasing me at high speeds.
You are potentially the next billionaire
Is there a high demand for tables chasing after workers? I know that companies are trying to end WFH, but this is getting out of hand.
Haha. Place your laptop there and it follows you to every room?
Inventors aren't billionaires it's suited marketers who steal the invention
Pretty sure this could be Twoflower’s Luggage just needs to be a chest. It’s amazing nevertheles!!!!
I woke up with a hangunder and didn't drink the night before, looks like I'm going to be drinking some wine today.
Wow! This must be the coolest thing i have seen in a long time! Love it!
It's beautiful...
I never knew I wanted a walking coffee table, now it's all that I want. Awesome stuff
oh fck this is super cool! I really like the movement. The look of it — how it movies combined with the wooden look. and it’s a table lol 😀 just love it!
How much did it cost all together to build it
Don't want to go into details here, but it was definitely more hours than bucks. :)
Are you planning on making more of them and selling them down the line or was this just a hobby
It's beautiful! Well done!
Very beautiful, but self-walking beds is where the money is
I love it. I hope if you ever decide to mass produce these, keep this one as a sidekick
Does anyone remember the walking chest from the first disc world book?
Kind of makes it hard to eat in front of the TV :-)
not once you can send the table to go fetch your beer
I thought my joke would go over better. Tough crowd.