Technology
Cheap Bits, Solid Data: Building a Whole‑House Climate Monitor
Turn a cheap DVB-T USB stick and €20 wireless sensors into a reliable, real-time climate monitoring system for your entire house. This guide walks you through setting up tfrec on Linux, collecting temperature and humidity data over 868 MHz, and integrating it seamlessly into OpenHAB, Home Assistant, or any MQTT-capable platform. No cloud, no vendor lock-in—just efficient, low-cost data from every room.
by Sven Reifschneider • 14 May 2025