{"NAME":"SonoffiFan03","GPIO":[17,148,0,149,0,0,29,161,23,56,22,24,0],"FLAG":0,"BASE":71}

Sonoff offers a RM433 remote that works natively with this device.

For US (fan speed capacitors) - https://github.com/arendst/Tasmota/issues/5988#issuecomment-515720388

Photos - https://github.com/arendst/Tasmota/issues/5988#issuecomment-510177762

Disable buzzer with command SetOption67 0

The button is connected to GPIO0