7 Best Ways to Build the Ultimate Minisplit Remote Nintendo DSi Home Lab Setup (2026)
A Nintendo DSi running custom firmware can become a fully functional touchscreen mini-split controller connected to Home Assistant via the REST API — and it costs almost nothing to build. This guide covers the 7 best components and tools to replicate this creative home lab setup, from BlocksDS ROM development to IR blasters and whole-home energy monitoring. Whether you’re a beginner or an advanced home automation enthusiast, this build is one of the most rewarding weekend projects in the self-hosting community.