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.
Overview
My Implementation
Not currently deployed; evaluating fit for this setup.
Device Score Summary
Category Score Rationale
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
Protocol Wi-Fi 2.4 GHz
Hub Required No
Power AC mains
Cloud Dependency Cloud by default; local when reflashed
HA Integration Sonoff (eWeLink) or ESPHome/Tasmota
Voice Control Alexa/Google via eWeLink
Dimensions Inline module
Warranty See 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
Comparison And Shopping Sonoff | Sonoff Dual R2/R3 Alternatives compares this device to the top three live alternatives and records the latest Amazon and Alibaba checks captured during the comparison run.