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DIY 3-phase energy monitor using PZEM004T v3.0, integrates with Home Assistant via ESPHome/MQTT for real-time energy tracking and automation

3-Phase Energy Monitor using ESP-01 PZEM004

Open Source Things

445

ESP32 64-Band Audio Spectrum Analyzer: Compact gadget with FFT, OLED display, real-time audio visualization, perfect for audio enthusiasts.

ESP32 64 Band Audio Spectrum Analyser OLED Display

Open Source Things

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