@tomasmcguinness

@tomasmcguinness

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  • Another temperature sensor mistake :(

    Dec 31, 2025

    ·

    Electronics, Nordic, Personal Project, Uncategorized
    Another temperature sensor mistake :(
  • How I stopped my Zappi from draining my battery (2nd edition)

    In this video, I break down the role that CT clamps play when it comes to EV chargers and Solar Inverters. Read ⇢

  • My DIY Air Source Heat Pump Installation Journey

    In February of 2024, I decided I was going to have a go at installing my own Air Source Heat Pump. To give me the best possible chance at doing a quality install, I’m going to go very slowly and do all the assessments and blocks of research in a… Read ⇢

    My DIY Air Source Heat Pump Installation Journey
  • Finding and fixing an issue with a 2-port zone value, which caused my boiler to fire erratically!

    Read ⇢

  • The importance of boiler sizing!

    In my last video, I poke a little fun at my oversized boiler before diving into the importance of sizing your boiler correctly! Read ⇢

  • High CO2 Levels at Home

    In this video, I discuss the discovery of high CO2 levels in my house at night and how I’m wondering if they are impacting our sleep quality. Read ⇢

  • Installing a Home Assistant Control Panel in my kitchen

    Read ⇢

  • Some lessons learned from a new heating system

    If you’re planning to upgrade your boiler or heating system, I would like you to read this post. I learned some valuable lessons since having a new heating systems installed in March 2021. I want to tell you what those lessons were. They might help you get better performance our… Read ⇢

    Some lessons learned from a new heating system
  • A quick look at the Android tablet I’m going to use with Home Assistant

    In my latest YouTube video, I unbox an Android powered point-of-sale screen that I’m planning to use as a Home Assistant control panel. I’ve been running Home Assistant for a few years now, but something I always wanted to add was a control panel. This was always going to be… Read ⇢

  • Wrong ribbon?

    My plan to use the Eddi relay board to interface it with my Mixergy tank has had its first setback. The ribbon cable is the wrong size!! I’m waiting on a replacement from Myenergi! Read ⇢

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About the BLOG

Welcome to my blog. It’s a jumble of all the things that take my interest. Follow along as I explore smart home technology, home heating and various bits of DIY.

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@tomasmcguinness

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