M5Stack AC Measure Unit (HLW8032)

Description

• 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.

View moreWhat’s Included

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

Dimensions

• 56 x 24 x 10.3 mm (L x W x H)

Links

PDF File

• M5Stack AC Measure Unit (HLW8032) – Schematics

Specifications

• 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