Show HN: I've built self-opening trash bin, I relax myself feeding garbage to it
github.com
github.com
I mean I was finally able to afford a two bedroom house with a modest back yard after nearly ten years living in student housing (the last one of which was more expensive than affordable rental housing, but there's a 10-15 year waiting list for that) so I could probably go for it (don't really have the space or the need for compost though).
It made assumptions on using the compost (or disposing it), but no assumptions were made on backyards or outdoor spaces because those are not required for home composting. It can be done with just a little bit more space than what just one or two bins need, and especially with vertical stacking systems, this isn’t as big a problem.
Searching online for “How to compost at home” shows several such stacked systems that need minimal space.
I used to use mine in the garden, but these days I've a municipal waste service come and take my compostables away. Kind of felt at first like I was giving away my sweet valuable compost for free, but then I found out they give out free mulch in return so was happy enough with that, as was my wife :-)
My kitchen bin is of the slide-out cupboard type, and also suffers from that, despite being more of a shearing than a wafting action!
That's part of the problem really - after compost and recycling I'm left with very little waste, so anything that there is can sit there a while. I tend to empty it because it's been there a while rather than because it's full.
Edit: Activated charcoal works too! It can be found at pet stores.
Cookie Monster chewing cookies!!!!
ROBERt (Recycling-Of-Bottles Encouragement Robot) https://www.youtube.com/watch?v=j02o4AaIu9w
Turns out a lot of humans will stick their arm inside just to see what happens!
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When is the deadline for the next YC batch again? ><
(This is a joke and the names are made up if that's not clear from reading)
Although a trash can that detects if you threw trash at it would be neat.
Would these proximity sensors alone be enough to detect a projectile coming at it?
Have you considered a weight sensor or maybe sound sensor to determine when to close again? I assume it’s on a timer at the moment.
Maybe I will add an infra-red or sound sensor to make closing more intelligent. Good tip!
1. to have a motor roll open and close the bin lid.
2. the opening end could have a weak magnetic strip to "click" on that side.
3. to have the sensors to the side of the bin instead of on top.
4. my bin is under the kitchen sink, and I'd presume you'd want to hide your bin too, and so you could use a simple light sensor there.
All this would make it a simple yet super effective solution to avoid the bin fanning out odours.
As a thought experiment I've had a play to see what the state machine logic might look like if we try to replace the bool state variables with a set of explicit finite states, and to push the state transition logic into a pure function. Results are here: https://gist.github.com/fcostin/851c1b4d1e3cb75ba972408151f1...
It is more verbose, but one advantage of structuring it like this (that i've only partially succeeded at) is that state transitions only happen at most once per each call to advance_state. Might make it easier to read through and follow the logic. It also makes the state transition logic easy to unit test, since it is pure-functional instead of being mixed together with sensing and doing actions (unsure how much of a concern or possibility unit testing is with ino files, I've never done any arduino dev myself).
Not sure if this is anything like what SomeoneFromCA was thinking.
Pacito pacito basu basurito