# Tasmota PZEM-004T Whole-House Energy Monitor

> Monitor whole-house or circuit-level power consumption using a PZEM-004T energy meter with ESP8266 and Tasmota. Measures voltage, current, power, energy, frequency, and power factor via MQTT.

## Details

- **Difficulty:** intermediate
- **Project Type:** tutorial
- **Board Types:** ESP8266, ESP32
- **Devices:** wemos-d1-mini-esp8266, sonoff-basicr2
- **Firmware:** Tasmota
- **Use Cases:** energy-monitoring, power-monitoring, solar-monitoring, home-automation, cost-tracking
- **Links:** Blog Url: https://tasmota.github.io/docs/PZEM-0XX/, Github Url: https://github.com/arendst/Tasmota

## Tags

`tasmota`, `pzem-004t`, `energy-monitor`, `power-monitoring`, `electricity`, `esp8266`, `esp32`, `mqtt`, `home-assistant`, `modbus`, `solar-monitoring`

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