AC Voltage Sensor Module – ZMPT101B (Single Phase)

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(High-Accuracy AC Voltage Measurement for Arduino & Microcontrollers)

The ZMPT101B AC Voltage Sensor Module is a precision single-phase AC voltage measurement module. It is widely used in energy monitoring, power measurement, and automation projects, providing a low-voltage analog output proportional to AC mains voltage for easy interfacing with Arduino, ESP32, STM32, and other microcontrollers.

Categories: Modules

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Key Features

High-precision single-phase AC voltage measurement
Low-voltage analog output for safe microcontroller interfacing
Compact and easy to integrate
Works with Arduino, ESP32, ESP8266, STM32
Onboard potentiometer for sensitivity adjustment
Reliable and stable performance

Technical Specifications

Parameter	Value
Sensor IC	ZMPT101B
Input Voltage	0–250V AC (typical)
Output Voltage	0–5V analog (scaled)
Operating Voltage	5V DC
Accuracy	±1% (typical)
Frequency	50Hz / 60Hz
Interface	Analog Output
Adjustable	Sensitivity via potentiometer