A PERSONAL DIY NOTEBOOK

DIY projects for a smarter home.

I like understanding the things I use—and being able to change them. This is my notebook for DIY electronics, smart-home projects, and what I learn along the way.

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An illustrated electronics workbench with a circuit board, tools, and a notebook — A concept illustration of an electronics workbench.

Latest notes

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PCB design render showing the controller’s blue circuit board, connectors and electronic components.

Build log Oct 17, 2026

Why I’m Building a Smarter RO Water Purifier

Why I chose a DIY reverse-osmosis water purifier, the controller I use now, and my plans for a smarter board with Home Assistant integration.

Projects in progress

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HARDWARE / SMART HOME

Smart RO Water Purifier Controller

A smarter controller for my DIY reverse-osmosis purifier, built from an open-source board design.

Now: Assembly in progress
Next: Firmware development & testing
Planned: Home Assistant integration

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Why I make things

GutsyMaker is where I document the things I build and the decisions behind them. I’m starting with a smarter controller for my DIY reverse-osmosis water purifier, with firmware and Home Assistant integration still ahead.

I share the progress, the changes of plan, and the questions that still need testing.

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