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@tomasmcguinness

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  • Exposing a Modbus Energy Meter via Matter using ESP32 & MAX485

    Mar 29, 2026

    ·

    Development, ESP-MATTER, ESP32, Matter, Personal Project
    Exposing a Modbus Energy Meter via Matter using ESP32 & MAX485
  • Building a Matter Dishwasher with an ESP32

    As part of my exploration of the Matter Protocol, I’m fascinated by the support for Smart Appliances. That’s things like Washing Machines, Dishwashers, EV chargers, water heaters etc. TL;DR; I implemented a Matter Dishwasher emulator with hardware controls and an OLED display. It has an on/off button, allows the Program… Read ⇢

    Building a Matter Dishwasher with an ESP32
  • Building a .Net Matter Controller – Reading Descriptions

    I am building my own .Net Matter Controller. I’m writing these posts as I go, figuring the stuff out and blogging how and what I’m doing. In my previous post, I got my controller to the point where it would connect to a single commissioned Node when it started. I… Read ⇢

  • Building a .Net Matter Controller – Simple Reconnection

    In this post I reach the 0.1 milestone for my .Net Matter Controller having successfully commissioned a device! Read ⇢

    Building a .Net Matter Controller – Simple Reconnection
  • Two Matter Dimmer switches running on ESP32

    Two Matter dimmer switch projects with ESP32 https://youtu.be/KvzPolD-6t4 Both of these projects are available in Github if you want to try them yourself! https://github.com/tomasmcguinness/matter-esp32-momentary-button https://github.com/tomasmcguinness/matter-esp32-touch-dimmer-switch Read ⇢

  • C# DNS-SD & mDNS

    As part of my work to build a Matter controller using .Net, I find myself in need of mDNS again. I dabbled with this a few years back and even managed to get something working with HomeKit on iOS. However, for my work with Matter, I find myself looking at… Read ⇢

  • Building a .Net Matter Controller – Let there be light!

    In this post I reach the 0.1 milestone for my .Net Matter Controller having successfully commissioned a device! Read ⇢

    Building a .Net Matter Controller – Let there be light!
  • Building a .Net Matter Controller – Commissioning Flow – CommissioningComplete

    In this post I reach the 0.1 milestone for my .Net Matter Controller having successfully commissioned a device! Read ⇢

    Building a .Net Matter Controller – Commissioning Flow – CommissioningComplete
  • Building a .Net Matter Controller – Commissioning Flow – CASE pt1

    I am building my own .Net Matter Controller. I’m writing these posts as I go, figuring the stuff out and blogging how and what I’m doing. In my previous post, I finally managed to get the necessary root certificates generated and added to a matter.js example device. TL;DR In this… Read ⇢

    Building a .Net Matter Controller – Commissioning Flow – CASE pt1
  • Building a .Net Matter Controller – Commissioning Flow – Certificates pt3

    In this post I continue work on my .Net Matter Controller. I finally generate a Matter Trusted Root Certificate and a Node Operational Certificate, bringing me one step closer to simple commissioning! Read ⇢

    Building a .Net Matter Controller – Commissioning Flow – Certificates pt3
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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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