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Sonoff iFan04-L 110V Light and Ceiling Fan Controller
US
Model reference: iFAN04-L
Sonoff iFan04-L 110V Light and Ceiling

Available from:
Itead.cc
Aliexpress.com
Banggood.com


Manufacturer:
Sonoff.tech

Install method:
USB to Serial

GPIO #Component
GPIO00 Button1
GPIO01 Serial Tx
GPIO02 None
GPIO03 Serial Rx
GPIO04 None
GPIO05 None
GPIO09 Relay1i
GPIO10 Buzzeri
GPIO12 Relay3
GPIO13 Led1i
GPIO14 Relay2
GPIO15 Relay4
GPIO16 None
FLAG None
Template (old version)
{"NAME":"iFan04-L","GPIO":[17,148,0,149,0,0,29,161,23,56,22,24,0],"FLAG":0,"BASE":71}

Largely identical to iFan03 with capacitors designed for 110V fans and an improved RF chip with better range.

Flashing procedure is the same, there are labelled pins required for flashing. Hold the button down during power up to enter flash mode.

Pinout

Image from Hatsuwr on reddit