Category: IT

  • Bathroom dehumidifying using a floating humidity threshold

    Bathroom dehumidifying using a floating humidity threshold

    Blog: Bathroom dehumidifying using two sensors and a floating humidity threshold. Link to the original blog post with a nice text/pictures layout. The problem: The bathroom fan is running too long if it’s raining outside. A year ago I automated the dehumidifying of the bathroom using an extraction fan, Sonoff mini switch, Xiaomi Mi BLE…

  • Homemade ESP32 webcam

    Homemade ESP32 webcam

    Homemade ESP32 webcam Link to the original blog post with a nice text/pictures layout. The problem: I want to see what’s happening around the house, especially if the dog is naughty again and digging holes. Actually, there is no problem. I just like to tinker. The solution: A cheap webcam (10€) integrated in #homeassistant. HW…

  • Unlocking the front door using the mobile phone and Home Assistant

    Unlocking the front door using the mobile phone and Home Assistant

    Link to the original blog post with a nice text/pictures layout. The problem: The solution: HW parts: SW: The process: Here’s the doodle of the connecting scheme: Here’s the original connecting scheme from Innotherm (door manufacturer), in Slovenian: It was useful because it reveals which power supply is appropriate (Meanwell MW HDR 30-24). 7. Fitted…

  • Moon lamp project

    Moon lamp project

    Link to original blog post (moon lamp project). The final product is a #3dprint of a #moonlamp: I’ve 3d printed a moon lamp and installed it on an old lava lamp stand. The process: 1. 3D Printing 3D model: https://www.printables.com/model/23859 Slicing: I used the following settings, as recommended by the model designer: I’ve tried to…

  • Proxmox server temperature tracking in Home Assistant

    Proxmox server temperature tracking in Home Assistant

    (Link to the original blog post with a proper layout) It’s a pity that #Proxmox doesn’t report CPU and other temperatures to #homeassistant. I had several freezes of my old laptop that runs Proxmox due to a stuck CPU fan. I googled a bit and found an elegant solution for temperature reporting: a command_line sensor.…

  • 3D printing with TPU

    3D printing with TPU

    (original post with nicer layout here) #TPU material is one of my favourite materials for #3Dprinting. During the last year I’ve printed some usable objects for home improvement. Why? Material I’m using Overture’s orange TPU. Settings I’m printing with the following settings: Practical cases: 1. Gaskets A rubber gasket for my garden hose connector broke.…

  • Moving from Goodreads to Bookwyrm (and some more)

    Moving from Goodreads to Bookwyrm (and some more)

    Phase 1: #Bookwyrm account creation and import from #Goodreads For some years I used Goodreads to track my book reads. As an enthusiastic user of #fediverse (Mastodon, Pixelfed, Calckey, WordPress+activitypub plugin) I decided to try out the Bookwyrm to track my books. I had around 60 books in my Goodreads account and wanted to move…

  • 3Dprinting drainage pipe connector

    3Dprinting drainage pipe connector

    #3Dprinting drainage pipe connector What’s #3dprinting printing today? Oh, nothing special, just a simple drainage pipe connector. The plastic pipe connecting the gutter and rainwater container broke some time ago and I attached it with duct tape. It looked gross and I decided to make a pretty female-female connector. #TinkerCAD: See these little teeth inside…

  • How I killed e-ink display

    How I killed e-ink display

    TL:DR: I don’t know how, but it no longer works. In the previous post, I shared the joy of making #ESP32 #Lilygo T5 2.13′ e-ink display finally work and show some sensor data from #homeassistant. The joy lasted only a week. Yesterday I decided I’d print a nice case for it. I found a great…

  • E-ink display showing temperatures from Home Assistant

    E-ink display showing temperatures from Home Assistant

    I had this #esp32 #lilygo board* laying in the drawer for more than 2 years. I tried several times to make the e-ink display work without success.Today I flashed it again with the latest #esphome firmware, stole some code from the web, tinkered for 2 hrs with #yaml and lambdas and whatnot and suddenly… it’s…