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Cake day: June 23rd, 2023

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  • ikidd@lemmy.worldtoSelfhosted@lemmy.worldRaspberry Pi 4B
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    4 days ago

    idk about a 4b these days but the 5’s are stupid priced. You can get a refurbed 6th gen intel machine with 16gb of ram and an SSD for the price of a 4Gb Pi 5. Add an ESP32 running ESPhome or Firmata and you’ve got everything you could do with a Pi and a lot more.








  • IDK how Frigate handles alerts, but Blue Iris will write an alert to MQTT topic if it matches object recog, and I have an app MQTT Alert that watches that and goes nuts if it comes up. The BI android app is underwhelming in its alerts.

    I’d have to figure Frigate has some sort of MQTT capability. I tried using Frigate but it was pretty basic for my needs, so I moved on.









  • Yah, that’s a PWM charger. You’d likely see up to another third more power stored with an MPPT at temperatures below freezing from my experience running various offgrid livestock pumping systems over the years. I still use old PWM controllers on things like fencers because they’re pretty low draw, but I haven’t bought a PWM for years now since MPPT prices came down to earth.

    Just a suggestion, idk what your particular scenario is but it sounds like you’re running out of power pretty quick. And for batteries, I’ve personally moved to LFP with heaters in insulated boxes for the sheer life expectancy, power density and reliability compared to LA in cold temperatures. But I wouldn’t say it’s the cheapest way to do things.