It's time to pitch similar devices against each other and compare their functions: Shelly 2.5 vs Sonoff DualR3
Support for Sonoff dualr3 · arendst Tasmota · Discussion #10793 · GitHub
Monitor 2 gangs at once with Shelly 2.5 - NotEnoughTech
Support for Sonoff dualr3 · arendst Tasmota · Discussion #10793 · GitHub
Sonoff vs Shelly Quick Guide and Research Notes
Sonoff Dual R3 Power Monitoring Switch Module (DUALR3) Configuration for Tasmota
How to flash #Tasmota on #Sonoff #DualR3
Shelly Archives - NotEnoughTech
New Sonoff Dual R3 has a hidden secret, and I blew it up during the review 🤦♂️ [my fault] : r/homeautomation
Sonoff Dual R3 - Light control, blind motor mode and power metering