This module communicates via TTL serial (UART) and is fully compatible with popular microcontrollers such as Arduino UNO, Mega, ESP8266, ESP32, and Raspberry Pi (via UART/USB adapter). The included 100A current transformer (CT clamp) allows non-invasive current measurement, making installation safe and easy without cutting live wires.

The PZEM-004T is widely used in:

• Smart energy meters

• Home automation systems

• Solar power monitoring

• Industrial power management

• Electrical load analysis projects

Its stable performance, low power consumption, and wide voltage range make it a reliable choice for both DIY enthusiasts and professional engineers in Bangladesh.

Key Features:

• Measures AC Voltage, Current, Power, Energy (kWh), Frequency & Power Factor

• Supports up to 100A current using external CT clamp

• TTL UART communication (9600 baud)

• High accuracy & real-time data output

• Compatible with Arduino, ESP8266, ESP32, Raspberry Pi

• Non-invasive split-core current transformer

• Ideal for IoT & smart energy projects

• Compact, reliable & easy to integrate

Technical Specifications: