Hi Michael,
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Free for a phone call sometime this week or the next to learn more about the company? If so, please schedule time on my calendar using the link below. https://calendly.com/erica-gacon
I wanted to make something special for my son's third birthday so I used what I know about mechanical, electrical, and software engineering to build a "Memory Box".
In this post, I talk about the technical details of creating it. If you have any feedback, I'd love to hear it. Thank you!
Every night, at 3 AM, my cat will meow and paw at the bedroom door like a banshee. I tried everything to get him to stop, including the off-the-shelf air sprayers that trigger with motion.
Eventually, I decided to build my own. I 3D printed a case and trigger for an air sprayer can, created some electronics with an ESP32 and RF trigger, and wrote my own "motion detection" logic - this time with an ultrasonic sensor, which works much better in the dark.
Now, the cat knows that a meow or paw will get him sprayed, and my wife and I can finally sleep!
I also built an air filtration system for my 3D printer, a level checker for my water softener, and a custom keepsake box that only opens with an RFID chip that you can read more about on my blog: https://www.mikebuss.com/blog
In all my previous houses I just cut a hole in the door. $50s from a big box store for the proper door and a jig saw. I think they even sell templates you can attach to the door to make them more seamless.
But also I'm not trying to keep the cat out so there's that. I just like the door closed
I solved this by letting the cat open the door from both sides.
From one side, the cat can just push open the door. The closing force on the door comes from a small weight hanging on a string, which goes from the top corner of the door to an eye screw on the wall and down to the weight. The weight is adjusted to be just barely enough to pull the door closed, so the door is easy for the cat to push open. The cat walks through and then the door closes very gently and quietly.
From the other side, the cat can pull open the door. I stuck a little hook-handle on the bottom corner of the door, and the cat learned to paw the handle and pull the door open. Because the door closes so slowly and gently, it's easy for the cat to get through.
This lets the cat can come and curl up with me whenever he wants. It's quieter than a flappy cat door; he can come and go without bothering me or waking me up.
I have the same cat friendly door closer! Very useful for a good night’s sleep. But now my cat is so old he mostly stays curled up on the bed poor fellow.
Heads up that a) those commercial/industrial door closer thingies aren't that expensive if the door isn't too heavy, but better than that b) they have spring door hinges, so you can install those and the door will self-close. Not sure its cat friendliness but it works for keeping the door closed.
We were lucky enough that our cat seems to prefer screaming under the door rather than pawing at the door, and stuffing a blanket underneath thankfully caused her to simply give up.
She still attacks the door loudly when playing with her toys at 5 AM if we forget to confiscate them though...
Apart from RFID, how many cameras would be "reading" everything and from how many angles? Will bluetooth be always on to track movement and where we paused and for how many seconds?
Just from these two technologies the "machine" can see that I picked one bag of crisps, one soda (oops wrong flavour I put it back and got the other flavour)(machine saw this and made the change).
RFID would only validate at the exit.
As for the cost 7-15 cents per RFID tag:
-cash management costs. A lot. If you only do e-payments then you save from that
-10 cashiers cost a lot (mistakes, skimming also costs)
Just from these two cost-cuts a super market can cover the cost to RFID everything in the store.
Also the fact that a retailer (I am thinking Carrefour of Sainsbury's that move millions of items per day can get far better prices on tags).
Maybe the RFID chips in question are just too low end ?
I have read an article about race timing chips runners have in their badges during a marathon and they can apparently handle large number of runners, about 50 per second:
I'm having a hard time understanding who would buy this. Non-techies aren't looking for a solution to this problem. And, the moment you mention encryption keys in your marketing you've lost them.
For $499 and $99/yr (!!), I don't think you'll convince techies this a worthwhile product either. Maybe the ultra paranoid users. But, in my experience those are also the people who can build their own solution.
$99/yr is insane for this. Here's the reasoning they provide in their FAQ:
> Internet service providers normally don’t provide their customers with networking capabilities that are required to run an email server. In most cases, upgrading to an expensive business class internet service is needed. The subscription service that is part of the Helm service handles this for you without you having to upgrade your ISP.
> We handle all fees associated with domain registration and renewal when you create a new domain for your Helm. In addition, we also provide storage for offsite encrypted backups and include access to new features, service and security patches.
Their home page at ghost.org literally says "Ghost is a fully open source, adaptable platform for building and running a modern online publication" at the top.
After reading this comment I went to check for myself. However I believe the grandfather post still has a valid point. It's not "obvious" how to use the self hosting open source version.
However, I'm pretty sure a person that was really interested in self hosting would not have trouble figuring it out.
I don't necessarily think it's bad that they don't emphasize how to use the open source version. After all, it is a business.
They didn't claim to not be a business in the blog post. They are a non-profit business. They still need to earn money to pay bill, pay employees, etc.
"Being a non-profit means that the company has no shares. I don't own it. Hannah doesn't own it. Nobody owns it - it's an independent entity. The company makes money and pays expenses, salaries and taxes as normal - but there's no way for it to be bought or sold either in part (investment) or as a whole (aquisition). Any profit the company makes can only ever be reinvested, not distributed. We can't cash out. Ever. Also the entire product is open source and has no copyright. Anyone can do whatever they want with our code, for free."
I poked around the mobile site and couldn't find any of what you're saying. Then I checked non-mobile and there it is up front. So possibly the parent poster was only looking at mobile.
For reference the mobile homepage only says "The professional publishing platform"
Leap Motion isn't nearly as accurate as they show in their videos. I have one and it's completely useless for anything more than a simple "swipe left" gesture.
Agreed. It seems that the Leap, being limited in its field of view, forces the design of UX utilizing it to strike a useless middle ground between broad and fine movement.
However, I've started to experiment with combining the leap with a mouse--i.e. left-hand over the leap and right-hand on the mouse--to control a single hand grabber/toucher/pointer object. I assign broad movements to the mouse and much finer movements to the Leap. It seems to work well, in much the way that arms work for large motor control and wrists work for fine motor control.
Someone other than me updated the web pages in Cydia that walk people through how to set up and use OpenSSH on their device (which were sort of required, as MobileTerminal's upstream had jumped the shark), and I didn't really think through while reviewing the updates that we were essentially "recommending" Prompt--more than just acknowledging its existence--by linking to it from our pages. It ended up on the page because I do use Prompt for the aforementioned masochistic reasons, and as a lot of other people do when people ask me about terminal emulators I often do list it, so it he person doing documentation naturally recommended it, but essentially funneling all of our users to go buy that product as part of their device setup, given that Prompt really doesn't do a very good job, and some of the most critical software we use (like Cycript) isn't well supported by it, was a mistake. These pages never included the tracking code I used to have (the tracking code that for a while caused me to have the >2% of all objects stored on S3 that I have talked about on Hacker News before), so I half-sadly and half-thankfully have no clue how many people were referred to go look at Prompt.
Remote: Yes
Willing to relocate: Not at this time
Technologies: TypeScript, JavaScript, Swift, Ruby, Python, Objective-C, Next.js, React, Ruby on Rails, Jest, Node.js, jQuery
Résumé/CV: https://www.mikebuss.com/downloads/Mike-Buss-Resume.pdf
Email: mike@mikebuss.com
LinkedIn: https://www.linkedin.com/in/mikebuss/
Blog: https://www.mikebuss.com
Portfolio: https://www.mikebuss.com/portfolio
I am a senior software engineer looking for a remote position. Contract or full-time. Please reach out with any questions.
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