An e-ink screen on the wall with TRMNL X
How I'm using a 10.3-inch e-ink panel from TRMNL to show a daily briefing, smart home, health info and more.
RafeOS
19Building a personal operating system in public
Developer experience with TRMNL
Five e-ink screens built in one day. What made it quick was a platform built to be legible to agents.
Living on the agentic frontier
Point capable agents at your own data for long enough and you find out which bits of the hype are real.
What a personal AI system costs
The real cost numbers for RafeOS, mid-build, and some decisions made along the way.
Agentic product development, up close
What building RafeOS with AI taught me about compression, discipline and judgement.
What it runs on
Infrastructure - a quick summary of the servers and devices running RafeOS
An agentic harness on swappable layers
A look at the agentic harness behind RafeOS. An account of what's working for me.
The second brain
How I've structured my markdown files for a shared substrate
AI-powered briefings
The layer that sits above all the modules and tells me which of them I should care about.
An attention layer, not a feed
RafeOS Reading module looks to give an AI and integration twist to the traditional feed reader.
Health, unified
How multiple health sources are combined into one and lessons from the agentic layer.
An agentic hybrid to-do list
What a shared AI-enabled and agent-friendly to-do list looks like. Lessons from RafeOS.