ZMPT101B AC Voltage Sensor Module

ZMPT101B AC Voltage Sensor Module – High Accuracy for Arduino and Microcontrollers

The ZMPT101B is an AC voltage sensor module designed to measure voltages up to 250V AC with high accuracy and galvanic isolation. It is ideal for energy monitoring, industrial automation, and IoT projects, and is compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers .

This module stands out for its compact design and ease of integration , allowing for an analog signal proportional to the input voltage. Its adjustable potentiometer allows the output to be calibrated for greater measurement accuracy.

Features and specifications of the AC Voltage Sensor Module ZMPT101B

Measuring range: 0V - 250V AC.
Supply voltage: 5V DC.
Signal output: Analog, ready for ADC conversion.
Galvanic isolation: Yes, protects low voltage circuits.
Current consumption: Low consumption (~2mA).
Includes amplifier: OP07 high precision.
Dimensions: 38mm x 23mm.
Operating frequency: 50Hz / 60Hz.
Sensitivity adjustment: Integrated potentiometer.
Working temperature: -40°C to 85°C.

Applications of the ZMPT101B module

Monitoring power grid voltage.
Energy measurement systems in homes and businesses.
Industrial automation and IoT projects.
Educational projects on electronics and microcontrollers.

How to connect the ZMPT101B module

The module has three pins to facilitate its integration:

• VCC (5V): Connect to the microcontroller power supply.
• GND: Common ground.
• OUT: Analog signal proportional to the input AC voltage.

For more accurate measurements, it is recommended to calibrate the potentiometer before reading and use a software filter on the microcontroller.

Advantages of the module

Accurate AC voltage measurement.
Protection of sensitive circuits with galvanic isolation.
Easy integration into projects with Arduino and ESP32.
Low energy consumption and compact design.

This ZMPT101B module is an efficient, safe and accurate solution for measuring alternating voltage in multiple applications.