XIAO 2-Channel Wi-Fi AC Relay

The Seeed Studio 2-Channel Wi-Fi AC Relay is a smart control module for switching and monitoring two independent AC devices. Powered by the XIAO ESP32-C3, it provides Wi-Fi connectivity and supports integration with Home Assistant and ESPHome. Each channel supports up to 2400 W, and built-in energy monitoring allows you to track voltage, current, and power usage in real-time. Its compact design and screw terminal connections make it ideal for smart home and automation setups.

Key Features

• Two AC relay channels, independently controllable
• Max load: 2400 W per channel (10 A @ 240 V)
• Built-in ESP32-C3 for 2.4 GHz Wi-Fi
• Real-time energy monitoring for each channel
• Compatible with Home Assistant and ESPHome
• Compact enclosure with screw terminals (Open sourced on Thingsverse for custimzation)
• Ideal for lighting, fans, and other mains-powered devices

Specifications

• Input voltage: 100–240 V AC, 50/60 Hz
• Output voltage: 100–240 V AC, 50/60 Hz
• Max current per channel: 10 A
• Energy metering chip: BL0942 (0.1% accuracy)
• Wireless: 2.4 GHz Wi-Fi
• Dimensions: 70 × 58 × 38 mm
• Microcontroller: XIAO ESP32-C3