Author: db

  • Controlling the sonos + receiver with voice

    Controlling the sonos + receiver with voice

    So Home Assistant, Google Home, IFTT, all great products. And the whole is greater than the sum of the parts. Up until now, to enable music in my Living Room, there have been several choices: Use the Google Home, its got an ‘ok’ speaker Use the Sonos through a Denon AVRX4000, this drives the in-wall…

  • Universal inventory management

    With the price of one bitcoin heading into cost of a new car territory, there’s a lot of hype around blockchain. And most of it is focused around financial systems, e.g. ledger management, etc. One of the unique properties of blockchain is all parties know the same information, and cannot falsify it. This makes it…

  • The new Corsair supply and Netdata

    So a side affect of this mornings issue with the UPS is I have a new power supply, and it has usb-accessible sensors. If we build OpenCorsairLink, we can access them: # OpenCorsairLink.elf –device 0 Dev=0, CorsairLink Device Found: HX750i! Vendor: CORSAIR Product: HX750i Firmware: NA Temperature 0: 40.50 C Temperature 1: 33.50 C Powered:…

  • A Confluence of Crap: the odds were poor, but balanced

    A Confluence of Crap: the odds were poor, but balanced

    OK so I got up this am, and the nas that runs my home assistant, blog, cloud, plex, … was offline. And you notice this because the lights don’t work 🙂 (note to self: more backup lighting in my office!) OK, make some iced tea, head down to the basement to check it out. All…

  • Zigbee relay: Success! Sort of.

    Zigbee relay: Success! Sort of.

    OK, I now have enough Zigbee signal strength (and SNR) to reach from one corner of my house to the other (basement back to 3rd floor front). So the relay project was a success. However, its not 100% reliable (up from 0). We sometimes get: bellows.zigbee.exceptions.DeliveryError: Message send failure: EmberStatus.DELIVERY_FAILED The device I checked it…