Tag: mqtt
All the articles with the tag "mqtt".

A Touchscreen Remote for Home Assistant, and I Didn't Write a Line of It
Updated:In my last post I wrote off an ESP32 touchscreen remote. Then a ready-made Waveshare ESP32-C6 AMOLED board turned up, minus the battery it was supposed to include. Claude Code built the firmware and the Home Assistant side from my prompts, and by 7pm on the day it arrived it was working. Here is what it does, how it fits together, and where it went wrong.

Replacing My Harmony Remote: HDMI-CEC, Home Assistant and Claude Code
A Logitech Harmony only knows what it last told each device to do, never what's actually happening. Over two days, Claude Code and I built something that listens to the HDMI-CEC bus and each device's own API instead, then wrapped it in a phone remote in Home Assistant, with no IR at all. Here is what we built, why, and every wrong turn on the way.