PCB design render showing the controller’s blue circuit board, connectors and electronic components.
PCB design render. The physical prototype is still being assembled.

Evidence so far

A controller upgrade for my DIY reverse-osmosis purifier. I’m assembling a Youth Edition board based on yuunt’s open-source design, with firmware and Home Assistant integration still to come.

Stage
Assembly in progress

The build notebook

A place in the smart home.

Home Assistant integration

The goal is to view the purifier’s operating status alongside other smart-home devices. Firmware development and testing are still ahead.

planned

Files and documentation