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Cake day: June 13th, 2023

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  • I built a data logger a few years back. The data you likely want is on the CAN BUS network. You’ll need a CAN BUS hat for a pi or a pi with it baked in. There are other ways but you will likely end up realizing a pi or similar is best.

    You’ll need to log the data while away from home and then sync the data when WiFi is available. Requiring the pi to stay powered after the car shuts off. Easy to do with some relays.

    Depending on what data you are looking for it shouldn’t be too much work to get going on logging.









  • I got into “home automation” during the initial rush. Everything was dependent on its own hub or cloud service. After using some of them, especially the voice controlled ones, I got interested in what all they can see/collect. I quickly dropped everything and have been in a dumb house for a few years.

    What I’ve realized I need is cameras to watch my pets and a dumb keypad door lock to let people in when I’m not home.

    What I want again is a thermostat I can control from my phone. I haven’t found one that doesn’t need cloud services.

    If I wanted to get everything “smart” again I would isolate everything to its own VLAN with no internet access for the whole VLAN. I would have an electrician fix my no neutral drop situation and get wifi switches not bulbs. I would add temperature sensors in each room. Custom build a camera system server. Add network access to my Honeywell security system.









  • Not a joke.

    Copy left is like the Robin Hood of the copyright world. Basically, it’s a type of licensing where, sure, you can use, modify, and distribute the copyrighted work, but there’s a catch. You have to give the same rights to anyone else for any derivative works. So, if you modify the work, you can’t just slap a new copyright on it and restrict its use. It’s a way to ensure that the work stays free for everyone to use. It’s pretty popular in the open source community. It’s like copyright turned on its head, hence the name “copyleft”.