M5Stack AC Measure Unit (HLW8032)

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Introducing the AC Measure Unit, a high-performance single-phase AC measurement module with advanced isolation capabilities. This module utilises the powerful STM32+HLW8032 scheme to provide real-time monitoring of high-precision current, voltage, power, and other data.

Equipped with a built-in AC isolation chip, the B0505ST16-W5, and leveraging the EL357 optocoupler isolation chip for seamless communication with the STM32, this module provides a reliable and secure operation. The AC Measure Unit enables users to easily access the measured data through efficient I2C communication.

Designed for a wide range of applications, this versatile product is perfect for power supply information collection, remote smart home appliances, and other related fields. Experience the convenience and accuracy of real-time AC measurement with the AC Measure Unit.

Features

  • STM32G030@M0+ 32-bit MCU,64 KB Flash, 8 KB RAM
  • Single-phase alternating current 100-240V/10A measurement
  • I2C Communication (0x42)
  • Programming platforms: UIFlow, Arduino

Specifications

Resources Parameters
MCU STM32G030@M0+ 32-bit MCU,64 KB Flash, 8 KB RAM
AC Current Acquisition Chip HLW8032
Isolation Chip B0505ST16-W5
Optocoupler Communication Chip EL357NB
I2C Address 0x42
Measure Voltage/Current 100-240VAC/10A
Product Size 56 x 24 x 10.3mm
Package Size 136mm x 92mm x 13mm
Product Weight 8.8g
Package Weight 11.2g

Resources

Package Contents

  • 1x AC Measure Unit
  • 1x HY2.0 Cable (20CM)
  • 1x 3.96-4-Pin terminal

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