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Joined 1 year ago
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Cake day: July 1st, 2023

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  • What I’ve done is wired a different type of USB port to each door where the doorknob would exist. My kids and spouse all carry a different thumb drive for each door with the proper conversion adapter permanently attached so they know which door it belongs to. Each family member only uses the door for which they have the “key”. My wife prefers the back door. The USB port solution helps to deny access to certain rooms inside the house too as I’ve wired ports on those doors too. For instance I have a room where I keep the liquor that I can block the kids from accessing.

    Each port is connected to a different RPI5 that runs software that upon a device insert reads a special file named for the date. Inside that file is the name of the family member so the script knows who it is. It then updates a spreadsheet hosted in Google Cloud so I can view it from anywhere. Google sends me push notifitations when this happens.

    The beauty is that if one of my family loses their thumb drive I just make another and rotate the adapters so the old one won’t work anymore. My wife is the biggest culprit of this. She doesn’t work and is home all day but she still has a pretty busy life based on all the action that back door sees. But it has lead to a bug - more on that later.

    It’s a pretty flawless solution - I’m so proud of it I’ve given my tech savvy neighbor a thumb drive of his own to help test the system. Like I mentioned I have one bug to fix tho.

    It seems like every time my wife loses her thumb drive there is some ghosting in the logs. For instance, I’ll see a push notification with her name and a the back door opening and then a few minutes later another rear entry with her name attached but never an exit between events. Maybe an hour later then I’ll see an exit.

    My neighbor always seems to do his testing while I’m at work too cuz I’ll see his name show up. My wife has mentioned he’ll stop by for a half hour or hour a couple times a week and answer questions about the system and tech. I think she wants to get a job in tech.

    Another bug I’ve only seen happen a few times is the back door opening with my wife’s thumb key, the neighbor entering the back door, and then my wife’s name showing another back door event. I’ve called her on the phone to have her (and the neighbor if he’s there) troubleshoot during this and she is definitely home but she sounds really hurried and out of breath. I don’t know what she is watching on TV but it sounds like several guys arguing and when I ask why it’s so loud she gets worked up and has to mute the phone for a bit.

    Actually now that I think about it I’ve started getting notifications of back door entries after my wife has gone to bed and I’m working on projects in the basement. It’s soundproofed down there so I can listen to music without waking her. I swear tho I’ll hear some off-timed thumping after these events.

    But yeah, I really like the tech I got going on and my wife thinks it’s the best idea I’ve had. I think for v2 I’d like to implement a secret knock each family member has instead of the thumb drive so there’s nothing to lose. It would be much easier for my wife’s back door entry. I swear she squealed with delight when I told her how much time would be saved on entry just by a few properly timed forceful hits to a sensor on the back door. She wanted to try it out immediately!

    Good luck!




  • I put my mom on Ubuntu with KDE 10 years ago. I had far less problems with her on Linux than I ever did with Vista and 7. It got to the point she was calling me multiple times a week.

    I didn’t have to but I did one Ubuntu reinstall in that entire time only because I made /boot the default partition size at installation and years later it filled up constantly. I got sick of going over there to clean it up and it coincided with her getting a new computer.

    My mom installed printer drivers, and Cisco VPN software from run packages instead of apt and set up multi- monitors on her own after I taught her how to use the terminal, so it’s possible for the elderly.