esp32 Featured Building a Power Monitoring System with ESP32 and PZEM-004T: A Pull-Based MQTT Home Assistant Implementation Frustrated with unreliable smart plugs, I built a power monitoring system using an ESP32 and PZEM-004T v3. It measures voltage, current, power, and energy, storing data in InfluxDB with a React frontend, with plans for Home Assistant.
server The Curse of 12th Gen C-States Discover why Intel’s 12th-14th gen CPUs, like the i3-12100, falter in homelab power efficiency, idling at 30W+ with PCIe devices due to a C-state flaw. Meanwhile, the older i9-10850K shines, dropping to 20W at idle.
