Uploaded December 2025 | Updated September 2026, 2 weeks ago

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IoT-based smart energy meter using ESP32 and PZEM-004T to measure voltage, current, power, energy, and power factor, with real-time MQTT monitoring and SMS alerts for abnormal conditions.

Read more : circuitdigest.com/microcontroller-projects/iot-based-smart-energy-meter-with-sms-alert
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