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XIAO 2-Channel AC WiFi Energy Meter ESPHome

Tested with Home Assistant
Original price £16.99 - Original price £16.99
Original price
£16.99
£16.99 - £16.99
Current price £16.99
Availability:
in stock, ready to be shipped

The XIAO 2-Channel AC WiFi Energy Meter is a compact dual-circuit power monitoring module based on the Seeed Studio XIAO ESP32-C6. Pre-flashed with ESPHome for automatic Home Assistant discovery, it enables real-time monitoring of two independent AC circuits without cloud dependency.

Designed for accurate bi-directional energy measurement, it supports both consumption and generation tracking, making it suitable for solar monitoring and advanced smart home energy management. Its compact enclosure and external antenna allow flexible installation in embedded or test-bench environments.

Key Features
  • Dual-channel AC power measurement
  • Pre-flashed with ESPHome for Home Assistant
  • BL0939 metering IC with ±1% accuracy
  • Bi-directional measurement for import and export tracking
  • Supports 0–100 A CT sensors (1:2000 ratio)
  • External SMA antenna for improved WiFi signal
  • Factory calibrated
  • Compact enclosure design
Use Cases

Dual circuit monitoring

Track two independent circuits such as mains and solar inverter output in real time.

Solar import and export tracking

Measure both consumption and energy generation for accurate solar performance monitoring.

Home Assistant energy dashboard

Integrate directly with ESPHome for local energy monitoring and automation triggers.

Embedded energy projects

Use in custom enclosures or control panels where compact size is required.

What’s Included
  • XIAO 2-Channel AC WiFi Energy Meter
  • External 2.81 dBi SMA antenna
Technical Specifications
Controller
Main module: Seeed Studio XIAO ESP32-C6

Metering IC: BL0939

Measurement channels: 2
Electrical
Power input: 100–240 V AC, 50/60 Hz

Supported CT sensors: 0–100 A (1:2000 ratio)

Measurement accuracy: ±1%

Dielectric strength: 3.5 kV AC for 1 minute at 50 Hz
Connectivity
WiFi: 2.4 GHz

Antenna: External 2.81 dBi SMA rod antenna
Physical
Dimensions: 58 × 70 × 38 mm

Enclosure: 3D-printed, white
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