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If you’ve ever tinkered with DIY IoT devices, specifically air quality monitoring, you know that not all sensors are created equal. My recent project, an air quality monitor built on a NodeMCU v2 (ESP8266), taught me a humbling lesson. What should have been a simple plug-and-play integration turned into a “dead as a doornail” scenario involving reverse polarity, almost smoke, and a sensor that refused to speak until it had a 30-second warm-up period. ...

Late nights with server upgrades and troubleshooting When your homelab becomes a production server and your users come to expect those services, it’s hard to find a good time for maintenance. In addition to that, when server hardware is being upgraded and parts being swapped out, downtime is a bit more extensive than simply spinning up services on new hardware. That was the situation that I ran into. Previous Hardware: ...