I ordered some WiFi universal IR remotes on AliExpress and want to share my experiences from flashing OpenBeken on them.
Here are some pinouts for configuration and other hints:
TUYA Home Smart Life Mini Universal IR Remote S06 (BK7231T) [WB3S]

Button: GPIOP_6
IR RX: GPIOP_8
WiFi LED: GPIOP_9
IR TX: GPIOP_26
TUYA Home Smart Life Mini Universal IR Remote S18 (BK7231N) [CB3S]

Button: GPIOP_6
IR RX: GPIOP_7
WiFi LED: GPIOP_8
IR TX: GPIOP_26
Important notice for flashing: In my case labeling of Rx and Tx was mixed up on PCB
TUYA Home Smart Life Intelligent WiFi IR Remote Control IRC02 (BK7231N) [CB3S]

Button: GPIOP_6
WiFi LED: GPIOP_7
IR RX: GPIOP_24
IR TX: GPIOP_26
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