Sonoff | Sonoff Dual R2/R3

Description

Sonoff Dual R3 is a dual-channel Wi-Fi relay for controlling two circuits or a motorized load such as blinds. It integrates with eWeLink and can be reflashed for local control.

Sonoff Dual R3

Overview

My Implementation

Not currently deployed; evaluating fit for this setup.

Device Score Summary

CategoryScoreRationale
Features★★★☆☆Core capabilities documented; model-specific depth varies.
Interoperability★★★☆☆Integration available via documented methods.
Setup Ease★★★☆☆Typical setup for this device category.
Cloud Dependency★★★☆☆Depends on integration and firmware options.
Vendor Trust★★★☆☆Based on available documentation and product lineage.
Overall★★★☆☆Solid option when matched to the right use case.

★★★★★ Exceptional | ★★★★☆ Very Good | ★★★☆☆ Good Enough | ★★☆☆☆ Frustrating | ★☆☆☆☆ Avoid

Features

  • Dual relay outputs
  • 2.4 GHz Wi-Fi connectivity
  • Designed for dual-circuit or motor control
  • eWeLink app support
  • Custom firmware support

Specifications

ProtocolWi-Fi 2.4 GHz
Hub RequiredNo
PowerAC mains
Cloud DependencyCloud by default; local when reflashed
HA IntegrationSonoff (eWeLink) or ESPHome/Tasmota
Voice ControlAlexa/Google via eWeLink
DimensionsInline module
WarrantySee Sonoff

Home Assistant Integration

Integration Method: Sonoff (eWeLink) integration or ESPHome

  • Requirements: eWeLink account for cloud; USB adapter for flashing
  • Entities: Switch entities
  • Setup: Add Sonoff integration or adopt via ESPHome
  • Notes: Verify wiring for dual-channel loads

Practical Considerations

  • Use for two independent circuits or a motor load
  • Plan a safe enclosure and strain relief
  • Local firmware avoids cloud dependency

References