AC Measure Unit
Description
AC Measure Unit is a single-phase AC measurement module with isolation capabilities. It utilizes the STM32+HLW8032 scheme to monitor high-precision current, voltage, power, and other data in real time. The module features a built-in AC isolation chip, B0505ST16-W5, and communicates with the STM32 through the EL357 optocoupler isolation chip. Users can access the measured data via I2C communication. This product is suitable for applications in power supply information collection, remote smart home appliances, and other related fields.
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
Includes
- 1*AC Measure Unit
- 1*HY2.0 Cable(20CM)
- 1*3.96-4P terminal
Applications
- Smart home appliances
- Metering sockets
- Smart WIFI socket
- Electric vehicle charging pile
- Street lamp control system
Specification
| 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*24*10.3mm |
| Package Size | 136mm*92mm*13mm |
| Product Weight | 8.8g |
| Package Weight | 11.2g |
Products related to this item
Related Link
Schematic
EasyLoader
- Windows
PinMap
Module Size
Protocol
Examples
Arduino
UIFlow
UIFlow Blocks
- Init device I2C address
- Set voltage coefficient value ( 0 ~ 255 )
- Set current coefficient value ( 0 ~ 255 )
- Save voltage & current coefficient in flash
- Set device I2C address
- Get voltage (string)
- Get current (string)
- Get active power (string)
- Get apparent power (string)
- Get power factor (string)
- Get KW/H (string)
- Get voltage raw value
- Get curremt raw value
- Get active power raw value
- Get apparent power raw value
- Get power factor raw value
- Get KW/H raw value
- Get voltage coeeficient
- Get current coefficient
- Is data ready
- Get device firmware version
