M5Stack AC Measure Unit (HLW8032)

M5StackSKU: RB-Mst-367
Manufacturer #: U164

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  • M5Stack AC Measure Unit (HLW8032)
  • Employs robust STM32+HLW8032 scheme for real-time, high-precision data monitoring
  • Features integrated AC isolation chip and EL357 optocoupler for reliable operation
  • Versatile design ideal for power supply information collection and smart home appliances
  • Offers easy access to measured data through efficient I2C communication

The M5Stack AC Measure Unit (HLW8032) is a high-performance, single-phase AC measurement module that boasts advanced isolation capabilities. This unit employs the robust STM32+HLW8032 scheme to facilitate real-time monitoring of high-precision current, voltage, power, and other vital data.

The unit is equipped with a built-in AC isolation chip, the B0505ST16-W5, and it utilizes the EL357 optocoupler isolation chip to ensure seamless communication with the STM32. This arrangement guarantees a reliable and secure operation. The STM32+HLW8032 AC Measurement Unit allows for easy access to the measured data through efficient I2C communication.

This versatile unit is designed to cater to a broad spectrum of applications. It is an ideal choice for tasks such as power supply information collection and remote smart home appliances among other related fields. The STM32+HLW8032 AC Measurement Unit offers the convenience and accuracy of real-time AC measurement.

  • 1x AC Measure Unit
  • 1x 20 cm HY2.0 Cable
  • 1x 3.96-4P Terminal

  • 56 x 24 x 10.3 mm (L x W x H)
  • MCU: STM32G030 at M0+ 32-bit
  • Flash: 64 KB
  • RAM: 8 KB
  • AC-current Acquisition Chip: HLW8032
  • Isolation chip: B0505ST16-W5
  • Optocoupler Communication Chip: EL357NB
  • I2C Address: 0x42
  • Measure Voltage/Current: 100 - 240 VAC /10A
  • Weight: 8.8 g

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