I've been working on a website that tells you when it's time to open or close the windows. You register with a location, your preferred method of notification, and the rules for what you consider open-windows weather to be.
Range of temperature is the big one for rules, but you can also require humidity, wind speed. Eventually would be nice to add air quality if there's a sensor nearby.
You don't need any local devices - sensors, motors, etc. You just get an email/text/web push of your choice when the weather is nice and some fresh air is freely available.
I've had a home assistant routine for this running for myself for years, but the 80% version requires nothing more than weather data. Human in the loop automation (I physically open/close the windows).
I've been working on and off for many years on https://ssa.tools/ - a site that helps folks figure out their social security benefits for retirement planning. I recently added and continue to iterate on a new feature for specifically helping you understand the tradeoffs of choosing different filing dates at https://ssa.tools/strategy - it was interesting trying to optimize the performance enough to let the user drag sliders and get 'instant' response time, especially in typescript.
Well voyager depended on a solar system alignment that only happens every 175 years(?) so it'd be a while before we get that same advantage again. The longer it takes the further of a head start voyager gets?
What would change if you wanted to do something like this but for an EV? You already have a large battery, you can make decisions like "I need to be full for my road trip tomorrow, so fill from the grid", but you can just trickle charge from some fixed solar panels throughout the day most of the time. I think amperage can even be negotiated via the standard EV charge cable.
Rooftop solar doesn't require additional land to be purchased, reduces the need for more transmission lines, and reduces transmission losses. I don't know how big these all are but it seems plausible they make it a better deal than industrial solar.
Batteries on the other hand feel like they take less space and thus could be colocated near consumption without having to be on consumer property. Warehouse size within the city. Transmission costs would be minimal.
Ive just gotten started, but what I like so far is based on node-red but only using HA triggers, functions, and HA call service nodes.
Essentially I use the trigger blocks to schedule my function calls. The function then ignores the inputs entirely and just inspects the variables from home assistant that it cares about, it then sends this output to any devices I want to toggle.
This way, I'm just writing code. This works naturally for me, since it's my day job. But I can use node-red for visually organizing input output tuples, and the debugging data that it shows as things activate.
I also add one manual trigger and one debug output node on each end of the function so I can just run it manually if desired.
So far it's pretty goos, but I'm missing stuff like writing tests, which means I test my functions by turning on/off devices or something which isn't ideal.
I've seen instances of this before, but never one that couldn't possibly be explained in any other way. For example, getting an ad for an HBO show that I talked about. Well, HBO is pushing said show among my demographic, could easily be a coincidence.
Range of temperature is the big one for rules, but you can also require humidity, wind speed. Eventually would be nice to add air quality if there's a sensor nearby.
You don't need any local devices - sensors, motors, etc. You just get an email/text/web push of your choice when the weather is nice and some fresh air is freely available.
I've had a home assistant routine for this running for myself for years, but the 80% version requires nothing more than weather data. Human in the loop automation (I physically open/close the windows).