Hass

Some tips about setting up Zigbee or Z-wave mesh networks. I’ve had a few people new to Home Assistant ask about how to best set up their mesh networks. Here’s my take on what works best. ...

I wanted to switch my new Home Assistant (HA) installation to write data to PostgreSQL instead of SQLite for a variety of reasons. Here’s how I did it. Here’s why I decided to switch: Resilience. If you’re running Home Assistant on a Raspberry Pi’s SD card, the constant churn of history updates will eventually destroy the card. The more entities you have, the faster HA will grind your SD card to failure. Writing all that to another server that is writing to a real SSD or spinning disk eliminates that problem. Convenience. I can back up the postgres database without having to stop HA. I don’t even have to run the backup on the HA server. Speed. Using a real database will speed up history display, especially once you have a large number of entities. ...

Securifi Peanut plugs have issues with zigbee2mqtt. I have several Securifi Peanut Zigbee switches. Overall, they’re nice little smart plugs and make good Zigbee routers to strengthen your Zigbee mesh, but they have one annoying issue - zigbee2mqtt doesn’t recognize them perfectly, though there’s a simple fix that I’m going to document here. ...

I wanted my Home Assistant to be able to send me alerts when Bad Things are detected like water on my basement floor. I’m an SRE, and have been using PagerDuty for years, so I decided to set up a personal PagerDuty account and connect it to my Home Assistant. ...

I’ve got an old HP laser printer in my basement. We barely print 10 pages a month between the two of us, so we only turn it on when we’re going to print. That’s a hassle though, because inevitably we forget to shut it off sometimes and it stays on overnight or even for days, and while it has a powersave mode, the 4050N is so old that even that burns a good amount of power. Enter Home Assistant. ...