Curtain/Window Shade Controller Board

[admin]

you can use 2 relay change voltage direction for one motor. suggest you create scene mode button in tuya app. such as (relay1 ON, relay2 OFF) for direction-A, (relay1 OFF, relay2 ON) for direction-B. (relay1 OFF, relay2 OFF) for STOP.
for example, see this video at 4:31 time have showed the diagram:
https://youtu.be/lczwtRq2VcA