roevhat

6 ms·

1.
by roevhat 8y ago
Related: https://news.ycombinator.com/item?id=13413725 . Here using closed-loop feedback for weight loss.
2.
by roevhat 9y ago
Yes, indeed! What worked for me in the end, was to first understand state observers (e.g. Luenberger observers) and then consider a Kalman filter as an optimal observer, where the observer gain is the steady-state Kalman gain. The whole dua
3.
by roevhat 9y ago
I put it near the airlock and detect peaks. For now, the most valuable information I extract is when the fermentation starts and stops -- with notifications on my phone :-)
4.
by roevhat 9y ago
Awesome! I attempted the same approach, but after discovering a cheap gas concentration sensor (MQ-135, tunable to CO2) I abandoned the audio approach for a minimum of data processing. I get very accurate bubble detection and highly recomme
5.
by roevhat 12y ago
So true :-)
6.
by roevhat 12y ago
I built a Prusa i3, with most parts 3D-printed on another Prusa i3. I mainly use it for university projects, printing actuators and cases. Last semester we printed a model boat, about half a meter long, outfitted it with a printed a linear
7.
by roevhat 12y ago
Where do I order one? I'm hooked!
8.
by roevhat 13y ago
You are welcome :-)
9.
Show HN: A less-than 100 SLOC PHP Framework(roevhat.github.io)
4 points by roevhat 13y ago|2 comments
10.
by roevhat 13y ago
Who will be upgrading from 12.04? :-)
11.
by roevhat 14y ago
Apparently...
12.
Aaron Swartz: Teenager in a million(web.archive.org)
1 points by roevhat 14y ago|0 comments
13.
by roevhat 14y ago
I don't know if it is my browser, but to me I get the feeling the site is disabled, with the very darkend colors. It's almost as if a modal is showing, and the rest of the page is faded out - but I can't see no modal. Just my first impressi
14.
by roevhat 14y ago
Ubuntu LTS.
15.
by roevhat 14y ago
Any type of comment! Great feedback, I can use anything at the moment, since I really wan't to learn the language and the process of building something with it :) And I had also recently started using HN, so I wanted to share it with others
16.
Show HN: First real C project. Where to go now?(github.com)
4 points by roevhat 14y ago|2 comments