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#homeassistant

19 posts18 participants0 posts today

While I appreciate the effort, I feel 764 lines of Jinja (even if they work out of the box) is not a bridge I have to cross today.

Also I definitely want some guardrails to make sure that there's always hot water, with or without Nordpool data and associated machinery.

github.com/TheFes/cheapest-ene

Jinja macro to find the cheapest energy prices. Contribute to TheFes/cheapest-energy-hours development by creating an account on GitHub.
GitHubcheapest-energy-hours/cheapest_energy_hours.jinja at V5.5.4 · TheFes/cheapest-energy-hoursJinja macro to find the cheapest energy prices. Contribute to TheFes/cheapest-energy-hours development by creating an account on GitHub.

Pulled apart one of my echo dots so I can use the case o embed an orange pi zero and conference call microphone to make a #homeassistant satellite. I think I’ll make a custom PCB so I can reuse the power and audio out connector and the light ring.

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@DamonHD I'm not convinced about the solar diverter - I don't use mine.

The theory goes like this: if you export the electricity and use gas to heat the water then you make more money. Or at least you do if you live somewhere with as wide a divergence between electricity and gas prices as the UK. (Which is bad in itself, but that's another story.)

But that's not the whole story. Because you might care about being green. Hey, if you've bought a solar PV system with a diverter you probably do! In which case the sums look like this to me:

If you *don't* export your 4kWh of electricity, then most of the time, in most parts of the world, at the margin, the grid is going to be burning carbon. And it'll burn at least 6.5kWh worth of carbon to make up for the electricity you didn't export. Whereas you'd only have burned 4.5kWh of gas to heat your water. So you burn less carbon by using gas to heat your water and exporting your spare electricity.

Yeah, OK, so if you're using something like #HomeAssistant you can have your system know when grid is burning zero carbon and turn your diverter on ... if you've got a diverter that can be remotely controlled like this (mine can't be).

I'm automating stuff at the family farm using #homeassistant ; lights, smoke alarms, stove fire preventers, heaters.

It's inspiring to see so many iot devices support #ZigBee but also infuriating that 50% of the ones I've encountered has something fucky with their zigbee implementation. It's also somewhat concerning that the mains-connected zb router devices I've found will drop off immediately when the power goes out. The thought of not getting alerts about a fire in the barn if the power's out, concerns me.

I've got my eye on #matter , but I can't find compatible smoke alarms in Norway (so I can be confident they comply with local regulations, and return them if they're bad), and only limited reviews of ones available from abroad.

I see there's matteralpha.com/category/smoke and community.home-assistant.io/t/ but idk.

Can anyone recommend a mains-powered zigbee router device with a built-in battery, that'll keep it routing for at least 1 hour if it loses power?

Alternatively, a small (max 20*10*10cm) #ups that'll power a zb router or other tiny device for 1 hour? #NUT #networkUpsTools compatibility is a big plus

www.matteralpha.comSmoke CO Alarm All Matter Smoke CO Alarm Smart Home Devices | Matter AlphaProducts listed in the Smoke CO Alarm Matter category

🚨 Save the date!

The State of the Open Home is on Saturday, April 12th! Join the team as we go over the year since the founding of the foundation, with some special guests, and what's to come over the next year.

Check out the @homeassistant blog for more details + the live stream link! 👇🏼

#SmartHome #HomeAssistant #OpenHome
home-assistant.io/blog/2025/03

Home AssistantAnnouncing State of the Open Home 2025April 12th will bring another big stream full of exciting updates and announcements.

Hmm, there's no way to export a #HomeAssistant calendar in an ical format? I found an integration with a single release and poor documentation.

There also doesn't seem to be a way to add events to a synced calendar via CalDAV?

I'm trying to put the garbage collection schedules that are generated in Home Assistant based on Holidays on a shared calendar.

Hey #HomeAssistant community - I have a challenge with very quiet sensors.

If all is well, they tend to drop off the system and need to be revived. e.g. a moisture sensor in a spot that never gets wet. You want to monitor in case your dishwasher or hot water tank leaks.

It might be years (or never?) before you need the critical warning. Does one need to do a manual water-dip wake-up every month, or is there some 'keep-alive' function in HA + ZHA or zigbee that will do it?

Hi @caseyliss, I’ve just listened to the latest clockwise podcast and you mentioned about having a crazy dashboard on your watch. With #homeassistant you can! Under the settings on the iOS companion app, you can create your own custom complications, that read data from any sensors in your house! Refresh is not immediate (I believe it’s more of a WatchOS limitation), but it works great!

Smart TRV failure mode. New to me, so may be to some others as well.

Radiator was getting hot when it should have been off. Valve appeared to respond to software normally, sensors seemed OK, signal OK, battery OK. Valve reported fully closed ... but the radiator got hot.

OK, I assumed, the mechanical/-plumbing bit of the valve is stuck, so I'd need to hit it (gently!) with a hammer.

But no, I could push it down by hand easily.

However the valve head felt a bit loose as I'd taken it off - eventually I worked out that the vibrations from the motor over the months had unscrewed it somewhat. Now that I've tightened it up properly it appears to behave correctly again.

See, it isn't *always* DNS.